create a root .gitignore

apps/backend/.gitignore

@@ -1,8 +0,0 @@
-__pycache__/
-*.pyc
-*.pyo
-*.pyd
-
-.env
-
-../../.idea

apps/frontend/.gitignore

@@ -1,25 +0,0 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-pnpm-debug.log*
-lerna-debug.log*
-
-node_modules
-dist
-dist-ssr
-*.local
-
-# Editor directories and files
-.vscode/*
-!.vscode/extensions.json
-../../.idea
-.DS_Store
-*.suo
-*.ntvs*
-*.njsproj
-*.sln
-*.sw?
-