chore: Clean up root directory (#236)

* Clean up root

* remove unused REA patches

* Remove `cpp/` and create headers per platform

* fix `#import`

* fix `VISION_CAMERA_DISABLE_FRAME_PROCESSORS`

package.json

@@ -98,12 +98,18 @@
     "react": "*",
     "react-native": "*"
   },
-  "jest": {
-    "preset": "react-native",
-    "modulePathIgnorePatterns": [
-      "<rootDir>/example/node_modules",
-      "<rootDir>/lib/"
-    ]
+  "prettier": {
+    "bracketSpacing": true,
+    "jsxBracketSameLine": true,
+    "singleQuote": true,
+    "trailingComma": "all",
+    "semi": true,
+    "tabWidth": 2,
+    "useTabs": false,
+    "printWidth": 140
+  },
+  "babel": {
+    "presets": ["module:metro-react-native-babel-preset"]
   },
   "release-it": {
     "git": {