Rewrote Crabstero from Java to Python.

- Replaced Javacord with discord.py.
- Replaced Redis backend with SQLite via aiosqlite.
- Replaced Gradle build with pyproject.toml and uv.
- Added setuptools-scm for automatic versioning from git tags.
- Added argparse CLI with systemd credential support for the bot token.
- Replaced per-channel ingestion tasks with a bounded queue and worker pool.
- Removed Dockerfile and Gitea Actions workflow.

.gitea/workflows/build.yml

@@ -1,24 +0,0 @@
-name: Build Distribution
-on: [push]
-
-jobs:
-  Build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Setup Java environment
-        uses: actions/setup-java@v4
-        with:
-          distribution: 'temurin'
-          java-version: '17'
-
-      - name: Build artifact
-        run: chmod +x ./gradlew && ./gradlew build --no-daemon
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: Distribution
-          path: build/distributions/Crabstero.zip