Minor issues

Author: shreyshrivastava4799

.github/workflows/main.yml

@@ -1,8 +1,8 @@
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   hello_world_job:

.gitignore

@@ -1,16 +1,10 @@
 *.iml
 .gradle
 /local.properties
-/.idea/caches
-/.idea/libraries
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
+/.idea
 .DS_Store
 /build
 /captures
 .externalNativeBuild
 /entry/.preview
-.cxx
-.idea/
+.cxx