chore: Update adr alias and codecompanion configuration

.config/fish/functions/adr.fish

@@ -1,7 +0,0 @@
-function adr --wraps aider
-    aider \
-        --model gemini \
-        --dark-mode \
-        --completion-menu-bg-color '#1f1f28' \
-        --vim $argv
-end

.config/fish/functions/define_aliases.fish

@@ -20,6 +20,7 @@ function define_aliases -a uname -d 'Defines aliases for commonly used commands'
     alias hx helix
     alias ai aichat
     alias ais aisearch
+    alias adr aider
 
     switch "$uname"
         case Linux