Upgrade Example to RN 0.64 (#83)

* ReactLogger: Also log function

* Run SwiftFormat & SwiftLint in example project

* Upgrade to RN 0.64 1/2

* Update lockfiles

* Upgrade a few packages

* index.tsx -> index.js

* Upgrade docusaurus

* Fix line length violation

* Update CameraView.swift

* Update gradle plugin

* Fix example to prefer higher res cameras

* Remove unused log line

* Update App.tsx

example/android/build.gradle

@@ -7,14 +7,15 @@ buildscript {
         minSdkVersion = 21
         compileSdkVersion = 30
         targetSdkVersion = 30
+        ndkVersion = "20.1.5948944"
     }
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.30"
-        classpath("com.android.tools.build:gradle:4.1.2")
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.31"
+        classpath("com.android.tools.build:gradle:4.1.3")
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files