Fix: update Gitea token menu name to 'Manage Access Tokens'

The actual Gitea UI shows 'Manage Access Tokens' with the subtitle
'These tokens grant access to your account using the Gitea API',
not 'Authorization tokens'. Updated docs/DEVELOPMENT.md to match.

Co-authored-by: Junie <junie@jetbrains.com>

.idea/compiler.xml

@@ -1,12 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel>
-      <module name="backend" target="21" />
-      <module name="backend.main" target="21" />
-      <module name="backend.test" target="21" />
-    </bytecodeTargetLevel>
-  </component>
   <component name="JavacSettings">
     <option name="ADDITIONAL_OPTIONS_OVERRIDE">
       <module name="backend" options="-parameters" />