chore: add troubleshooting guide for intellij products (#660)

docs/docs/09-commands-and-tools/02-ide-support.md

@@ -374,8 +374,8 @@ For VS Code, use the "Preferences: Open User Settings (JSON)" command in VS Code
 ```js
 {
     // More settings...
-    "templ.log": "/Users/adrian/logs/vscode-templ.txt",
-    "templ.goplsLog": "/Users/adrian/logs/vscode-gopls.txt",
+    "templ.log": "/Users/adrian/templ.log",
+    "templ.goplsLog": "/Users/adrian/gopls.log",
     "templ.http": "localhost:7575",
     "templ.goplsRPCTrace": true,
     "templ.pprof": false,
@@ -397,6 +397,20 @@ configs.templ = {
 }
 ```
 
+For IntelliJ, configure the plugin settings `.idea/templ.xml`.
+
+```xml
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="TemplSettings">
+    <option name="goplsLog" value="$USER_HOME$/gopls.log" />
+    <option name="goplsRPCTrace" value="true" />
+    <option name="http" value="localhost:7575" />
+    <option name="log" value="$USER_HOME$/templ.log" />
+  </component>
+</project>
+```
+
 ### Make a minimal reproduction, and include the logs
 
 The logs can be quite verbose, since almost every keypress results in additional logging. If you're thinking about submitting an issue, please try and make a minimal reproduction.