Add .gitignore

.gitignore

@@ -0,0 +1,24 @@
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+
+# expo
+.expo/
+.idea/
+build
+# dependencies
+/node_modules
+.gradle
+# misc
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+*.iml
+
+
+local.properties
+android/app/src/main/assets