Make RPG attributes (STR/DEX/etc) customizable and editable

- Replace showRPGAttributes boolean with rpgAttributes array in trackerConfig
- Add RPG Attributes section in Edit Trackers with add/remove/rename/toggle
- Dynamically generate attribute display from config in userStats.js
- Add migration from old showRPGAttributes to new rpgAttributes array
- Initialize new attributes with default value of 10 in classicStats
- Default attributes: STR, DEX, CON, INT, WIS, CHA (all enabled)

RPG Companion Regexes.json

@@ -0,0 +1,30 @@
+[
+    {
+        "scriptName": "RPG: Clean HTML (From Outgoing Prompt)",
+        "findRegex": "/\\s?<(?!\\!--)(?:\"[^\"]*\"|'[^']*'|[^'\">])*>/g",
+        "replaceString": "",
+        "trimStrings": [],
+        "placement": [2],
+        "disabled": false,
+        "markdownOnly": false,
+        "promptOnly": true,
+        "runOnEdit": true,
+        "substituteRegex": 0,
+        "minDepth": null,
+        "maxDepth": null
+    },
+    {
+        "scriptName": "RPG: Clean Tracker Blocks (Keeping Last)",
+        "findRegex": "/```\\n[\\s\\S]*?\\n---\\n[\\s\\S]*?```\\n+/g",
+        "replaceString": "",
+        "trimStrings": [],
+        "placement": [1, 2],
+        "disabled": false,
+        "markdownOnly": false,
+        "promptOnly": true,
+        "runOnEdit": true,
+        "substituteRegex": 0,
+        "minDepth": 3,
+        "maxDepth": null
+    }
+]