(pub): release v0.2.0 -- track read/unread & new + scrolling

- some big/important additions in this release!
  - add chapter read/unread tracking
  - add release dates in chapter list
  - add new chapter tracking
  - significantly improve usability / scrollability of manga lists by
    using one big SectionList to hold each sublist
  - upgrade to Expo 33, which is the min SDK supported by the current
    latest Expo Client app

- and some repo improvements
  - add CHANGELOG.md that points to GH Releases page
  - add changelog script to generate changelogs
  - add versioning badges to README
  - add Run with Expo badge to README

app.json

@@ -5,7 +5,7 @@
     "slug": "react-native-manga-reader-app",
     "privacy": "public",
     "sdkVersion": "33.0.0",
-    "version": "0.1.0",
+    "version": "0.2.0",
     "platforms": [
       "ios",
       "android"

package.json

@@ -1,7 +1,7 @@
 {
   "name": "react-native-manga-reader-app",
   "description": "A React Native / Expo app for cross-platform manga reading",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "main": "node_modules/expo/AppEntry.js",
   "scripts": {
     "start": "expo start",