Add passes for counting the occurrences of usernames within messages

This currently checks the source data only.
Identifies a large number of occurrences removable via html

dataset.yaml

@@ -168,6 +168,12 @@ _steps:
           "\n\nThis will be a one x one between myself and Iikaitlynii based off the AMC television series The Walking Dead​",
           "Well I doubt he is going to be able to contact me if he is banned....can somebody please tell me why he got banned? I was just rping with him and he role plays well and then I saw he got banned for Ban-Evasion but what exactly was he doing to get banned?",
         ]
+  - step: &strip_usernames
+      type: ExactReplace
+      pack: [ 'pack/gen/usernames.csv' ]
+      config:
+        caseSensitive: true
+        packedReplacements: [ 'pack/gen/usernames.csv' ]
 
   - step: &strip_unicode
       type: Encoding
@@ -225,6 +231,7 @@ _steps:
       config:
         packedReplacements: [ 'pack/edge_cases.csv' ]
 _passes:
+  # Collect all usernames from source data
   - pass: &usernames
       required:
         - path: "data/rentry/bluemoon/bluemoon-fanbased-roleplays-1x1.csv"
@@ -240,14 +247,45 @@ _passes:
         - type: FileConcatenate
           sync: main
           config:
-            path: 'pack/gen/usernames.csv'
+            path: 'pack/gen/usernames_all.csv'
             files: [ 'out/usernames_*.csv' ]
             ignoreDuplicateLines: true
             eol: "\r\n"
             delete: true
       artifacts:
-        - file: 'pack/gen/usernames.csv'
+        - file: 'pack/gen/usernames_all.csv'
+          sha512: ffcc8aa980f4d8b0cace9092280d07215337cc316cb3fa45742a5f5a735d21a31f581d27884a414df21ac99616d14c7ebec1ab68a5766c10faa4b1564ceb7c20
+
+
+  # Count the occurrences of usernames in messages in the source data
+  - pass: &count_usernames
+      required:
+        - path: "pack/gen/usernames_all.csv"
           sha512: ffcc8aa980f4d8b0cace9092280d07215337cc316cb3fa45742a5f5a735d21a31f581d27884a414df21ac99616d14c7ebec1ab68a5766c10faa4b1564ceb7c20
+        - path: "data/rentry/bluemoon/bluemoon-fanbased-roleplays-1x1.csv"
+          sha512: f31d6bd278bc4211736d6aace3917cd0c1d0143bec9bf9d07054f5f9b32060e17399b6ea0935774b2271ac45a88309a60ef8eec8c4ac5283d1b353a255529cc5
+      steps:
+        - *bluemoon
+        - type: StatsCountOccurrences
+          description: "Count occurrences of usernames."
+          pack: [ 'pack/gen/usernames_all.csv' ]
+          config:
+            path: 'out/usernames_counted_%worker%.csv'
+            packedPatterns: [ 'pack/gen/usernames_all.csv' ]
+            countCol: 2
+            regex: false
+            min: 1
+        - type: StatsAddColMerge
+          description: "Merge username count csv files"
+          sync: main
+          config:
+            path: 'pack/gen/usernames.csv'
+            files: [ 'out/usernames_counted_*.csv' ]
+            cols: [ 2 ]
+            min: 1
+      artifacts:
+        - file: 'pack/gen/usernames.csv'
+
 
   - pass: &clean
       required: