Improved README, add dependabot and Github Actions

.github/dependabot.yaml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "pub"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/flutter.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches:
+      - master
+      - feature/*
+      - bugfix/*
+      - hotfix/*
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/wrapper
+            /opt/hostedtoolcache/flutter
+          key: ${{ runner.OS }}-flutter-install-cache
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+      - name: Flutter pub get
+        run: flutter pub get
+      - name: Flutter format
+        run: flutter format -o none --set-exit-if-changed .
+      - name: Flutter analyze
+        run: flutter analyze

README.md

@@ -1,6 +1,9 @@
 [![style: effective dart](https://img.shields.io/badge/style-effective_dart-40c4ff.svg)](https://github.com/tenhobi/effective_dart)
 
-Flutter package which adds a dialog to pick various types of media
+# Flutter Media Picker
+Flutter package which adds a dialog to pick various types of media.
+
+![Media Picker GIF](flutter_media_picker.gif)
 
 ## Setup