Prepare for v2

- Switch backend db from sled to sqlite
- Support multiple playlists
- Enhance search by both channel name and playlist name

.github/workflows/rust.yml

@@ -28,8 +28,17 @@ jobs:
       - name: Setup | Rust cache
         uses: Swatinem/rust-cache@v2
 
+      - name: Setup | Just
+        uses: extractions/setup-just@v2
+
       - name: Hygiene | Formatting
-        run: cargo fmt -- --check
+        run: just fmt
 
       - name: Hygiene | Clippy
-        run: cargo clippy -- -Dclippy::all -Dwarnings
+        run: just clippy
+
+      - name: Hygiene | Test
+        run: just test
+
+      - name: Hygiene | Build
+        run: just build-dev

.gitignore

@@ -15,3 +15,5 @@
 !.github
 !.github/*
 !.github/**/*
+!migrations
+!migrations/*