Task: Insert and read data from a table in Airtable

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[460,260],"parameters":{},"typeVersion":1},{"name":"Airtable","type":"n8n-nodes-base.airtable","position":[860,260],"parameters":{"table":"TestTable","operation":"append","application":"appN0FSjha2tAxDk9"},"credentials":{"airtableApi":"airtable_creds"},"typeVersion":1},{"name":"Airtable1","type":"n8n-nodes-base.airtable","position":[1060,260],"parameters":{"table":"TestTable","operation":"list","application":"appN0FSjha2tAxDk9","additionalOptions":{}},"credentials":{"airtableApi":"airtable_creds"},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[660,260],"parameters":{"values":{"number":[{"name":"id"}],"string":[{"name":"name","value":"n8n"}]},"options":{}},"typeVersion":1}],"connections":{"Set":{"main":[[{"node":"Airtable","type":"main","index":0}]]},"Airtable":{"main":[[{"node":"Airtable1","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Set","type":"main","index":0}]]}}}