Clean up .gitignore to not ignore required IntelliJ files and not have redundant entries (#4228)

.gitignore

@@ -9,7 +9,6 @@ tmp
 node_modules
 
 # IDEs and editors
-/.idea
 .project
 .classpath
 .c9/
@@ -24,6 +23,11 @@ node_modules
 !.vscode/launch.json
 !.vscode/extensions.json
 
+# IDE - IntelliJ
+.idea/*
+!.idea/modules.xml
+!.idea/code.iml
+
 # misc
 /.sass-cache
 /connect.lock
@@ -56,8 +60,4 @@ generated
 # app testing dir
 app-playground-data/*
 
-# soley because i need the PORT to be 3002 due to WSL stuff
-.env
-apps/frontend/.env
-
 .astro