ci: update gitignore

Author: lucafluri

.gitignore

@@ -9,6 +9,9 @@
 .history
 .svn/
 
+#VSCode related
+.vscode/
+
 # IntelliJ related
 *.iml
 *.ipr
@@ -42,7 +45,6 @@ app.*.map.json
 # Exceptions to above rules.
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 
-
 #Keystore Android
 key.jks
 key.properties