Add support for more AI IDEs and improve documentation (v1.6.21)

.clinerc

@@ -1,8 +1,8 @@
 {
-  "_comment": "You can use the ! prefix to include files that are excluded by .gitignore. Example: !important-file.log",
+  "_comment": "This configuration file is used by Cline AI IDE. It defines model preferences and ignore patterns for AI context. You can use the ! prefix to include files that are excluded by .gitignore. Example: !important-file.log",
   "ignore": [
     ".cline-tmp/"
   ],
-  "model": "gpt-4",
+  "model": "gpt-4o",
   "temperature": 0.2
 }