Add PyInstaller builds, AGPLv3 license, transport node selection, and rmap.world link

- Add pyinstaller.spec and GitHub/Forgejo CI workflows for cross-platform builds
- Add AGPLv3 license
- Move data storage to ~/.tinyweb/
- Add --version and --port CLI flags
- Add transport node selection in /style (smart regeneration preserves Reticulum config)
- Add discover more nodes link to rmap.world

.forgejo/workflows/build.yml

@@ -0,0 +1,57 @@
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: docker
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          pip install -r requirements.txt
+          pip install pyinstaller
+
+      - name: Build with PyInstaller
+        run: |
+          pyinstaller --onefile --console --name TinyWeb app.py
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: TinyWeb-linux-x64
+          path: dist/TinyWeb
+          if-no-files-found: error
+
+  release:
+    needs: build
+    runs-on: docker
+    if: startsWith(github.ref, 'refs/tags/v')
+
+    steps:
+      - name: Download artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: TinyWeb-linux-x64
+
+      - name: Make executable
+        run: chmod +x TinyWeb-linux-x64
+
+      - name: Create Release
+        uses: actions/forgejo-release@v2
+        with:
+          direction: upload
+          release-dir: .
+          override: true
+          prerelease: ${{ contains(github.ref_name, 'alpha') || contains(github.ref_name, 'beta') }}
+