Task: Save your workflows into a GitHub repository

n8n workflow:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[0,150],"parameters":{},"typeVersion":1},{"name":"dataArray","type":"n8n-nodes-base.function","position":[450,300],"parameters":{"functionCode":"const newItems = [];\nfor (item of items[0].json.data) {\n  newItems.push({json: item});\n}\nreturn newItems;"},"typeVersion":1},{"name":"N8N Workflows","type":"n8n-nodes-base.httpRequest","position":[300,300],"parameters":{"url":"http://localhost:8443/rest/workflows","options":{}},"typeVersion":1},{"name":"GitHub","type":"n8n-nodes-base.github","position":[800,130],"parameters":{"owner":"={{$node[\"Globals\"].json[\"repo\"][\"owner\"]}}","filePath":"={{$node[\"Globals\"].json[\"repo\"][\"path\"]}}{{$json[\"name\"]}}.json","resource":"file","operation":"get","repository":"={{$node[\"Globals\"].json[\"repo\"][\"name\"]}}","asBinaryProperty":false},"credentials":{"githubApi":"GitHub"},"typeVersion":1,"continueOnFail":true,"alwaysOutputData":true},{"name":"Merge","type":"n8n-nodes-base.merge","position":[1000,300],"parameters":{},"typeVersion":1},{"name":"N8N Workflow Detail","type":"n8n-nodes-base.httpRequest","position":[800,460],"parameters":{"url":"=http://localhost:8443/rest/workflows/{{$json[\"id\"]}}","options":{}},"typeVersion":1},{"name":"github_status","type":"n8n-nodes-base.switch","position":[1300,300],"parameters":{"rules":{"rules":[{"value2":"same"},{"output":1,"value2":"different"},{"output":2,"value2":"new"}]},"value1":"={{$json[\"github_status\"]}}","dataType":"string"},"typeVersion":1},{"name":"same","type":"n8n-nodes-base.noOp","position":[1500,130],"parameters":{},"typeVersion":1},{"name":"different","type":"n8n-nodes-base.noOp","position":[1500,300],"parameters":{},"typeVersion":1},{"name":"new","type":"n8n-nodes-base.noOp","position":[1500,460],"parameters":{},"typeVersion":1},{"name":"GitHub Edit","type":"n8n-nodes-base.github","position":[1700,180],"parameters":{"owner":"={{$node[\"Globals\"].json[\"repo\"][\"owner\"]}}","filePath":"={{$node[\"Globals\"].json[\"repo\"][\"path\"]}}{{$node[\"N8N Workflow Detail\"].json[\"data\"][\"name\"]}}.json","resource":"file","operation":"edit","repository":"={{$node[\"Globals\"].json[\"repo\"][\"name\"]}}","fileContent":"={{$node[\"isDiffOrNew\"].json[\"n8n_data_stringy\"]}}","commitMessage":"=[N8N Backup] {{$node[\"N8N Workflow Detail\"].json[\"data\"][\"name\"]}}.json ({{$json[\"github_status\"]}})"},"credentials":{"githubApi":"GitHub"},"typeVersion":1},{"name":"GitHub Create","type":"n8n-nodes-base.github","position":[1700,460],"parameters":{"owner":"={{$node[\"Globals\"].json[\"repo\"][\"owner\"]}}","filePath":"={{$node[\"Globals\"].json[\"repo\"][\"path\"]}}{{$node[\"N8N Workflow Detail\"].json[\"data\"][\"name\"]}}.json","resource":"file","repository":"={{$node[\"Globals\"].json[\"repo\"][\"name\"]}}","fileContent":"={{$node[\"isDiffOrNew\"].json[\"n8n_data_stringy\"]}}","commitMessage":"=[N8N Backup] {{$node[\"N8N Workflow Detail\"].json[\"data\"][\"name\"]}}.json ({{$json[\"github_status\"]}})"},"credentials":{"githubApi":"GitHub"},"typeVersion":1},{"name":"isDiffOrNew","type":"n8n-nodes-base.function","position":[1150,300],"parameters":{"functionCode":"// File Returned with Content\nif (Object.keys(items[0].json).includes(\"content\")) {\n  // Get JSON Objects\n  var origWorkflow = eval(\"(\"+Buffer.from(items[0].json.content, 'base64').toString()+\")\");\n  var n8nWorkflow = (items[1].json.data);\n  \n  // Order JSON Objects\n  var orderedOriginal = {}\n  var orderedActual = {}\n  \n  Object.keys(origWorkflow).sort().forEach(function(key) {\n    orderedOriginal[key] = origWorkflow[key];\n  });\n  \n  Object.keys(n8nWorkflow).sort().forEach(function(key) {\n    orderedActual[key] = n8nWorkflow[key];\n  });\n  \n  // Determine Difference\n  if ( JSON.stringify(orderedOriginal) === JSON.stringify(orderedActual) ) {\n    items[0].json.github_status = \"same\";\n    items[0].json.content_decoded = orderedOriginal;\n  } else {\n    items[0].json.github_status = \"different\";\n    items[0].json.content_decoded = orderedOriginal;\n    items[0].json.n8n_data_stringy = JSON.stringify(orderedActual, null, 2);\n  }\n// No File Returned / New Workflow\n} else {\n  // Order JSON Object\n  var n8nWorkflow = (items[1].json.data);\n  var orderedActual = {}\n  Object.keys(n8nWorkflow).sort().forEach(function(key) {\n    orderedActual[key] = n8nWorkflow[key];\n  });\n  \n  // Proper Formatting\n  items[0].json.github_status = \"new\";\n  items[0].json.n8n_data_stringy = JSON.stringify(orderedActual, null, 2);\n}\n\n// Return Items\nreturn items;"},"typeVersion":1},{"name":"Daily @ 20:00","type":"n8n-nodes-base.cron","position":[0,450],"parameters":{"triggerTimes":{"item":[{"hour":20,"minute":11}]}},"typeVersion":1},{"name":"OneAtATime","type":"n8n-nodes-base.splitInBatches","position":[600,300],"parameters":{"options":{},"batchSize":1},"typeVersion":1},{"name":"Globals","type":"n8n-nodes-base.set","position":[150,300],"parameters":{"values":{"string":[{"name":"repo.owner","value":"octocat"},{"name":"repo.name","value":"Hello-World"},{"name":"repo.path","value":"my-team/n8n/workflows/"}]},"options":{}},"typeVersion":1}],"connections":{"new":{"main":[[{"node":"GitHub Create","type":"main","index":0}]]},"same":{"main":[[{"node":"OneAtATime","type":"main","index":0}]]},"Merge":{"main":[[{"node":"isDiffOrNew","type":"main","index":0}]]},"GitHub":{"main":[[{"node":"Merge","type":"main","index":0}]]},"Globals":{"main":[[{"node":"N8N Workflows","type":"main","index":0}]]},"dataArray":{"main":[[{"node":"OneAtATime","type":"main","index":0}]]},"different":{"main":[[{"node":"GitHub Edit","type":"main","index":0}]]},"OneAtATime":{"main":[[{"node":"GitHub","type":"main","index":0},{"node":"N8N Workflow Detail","type":"main","index":0}]]},"GitHub Edit":{"main":[[{"node":"OneAtATime","type":"main","index":0}]]},"isDiffOrNew":{"main":[[{"node":"github_status","type":"main","index":0}]]},"Daily @ 20:00":{"main":[[{"node":"Globals","type":"main","index":0}]]},"GitHub Create":{"main":[[{"node":"OneAtATime","type":"main","index":0}]]},"N8N Workflows":{"main":[[{"node":"dataArray","type":"main","index":0}]]},"github_status":{"main":[[{"node":"same","type":"main","index":0}],[{"node":"different","type":"main","index":0}],[{"node":"new","type":"main","index":0}]]},"N8N Workflow Detail":{"main":[[{"node":"Merge","type":"main","index":1}]]},"On clicking 'execute'":{"main":[[{"node":"Globals","type":"main","index":0}]]}}}