refactor: setup prettier as formatter for the whole monorepo (#26)

.gitignore

@@ -1,5 +1,21 @@
 node_modules
 
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# OS
+.DS_Store
+
+# Logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Project
+coverage
+
 apps/backend/.vercel
 apps/backend/.env
 apps/backend/node_modules
@@ -8,8 +24,10 @@ apps/backend/coverage
 apps/backend/benchmarks
 apps/backend/vercel_token
 apps/backend-copy
+
 apps/frontend/.env
 apps/frontend/src/backend
+apps/frontend/build
 
 # IDE
 .idea/