chore: remove github pages workflow and cname (#130)

.github/workflows/docs.yml

@@ -1,60 +0,0 @@
-name: Docs
-
-on:
-  push:
-    branches: ["master"]
-    paths:
-      - "docs/**"
-      - "src/**"
-      - "zensical.toml"
-      - "pyproject.toml"
-      - "uv.lock"
-  workflow_dispatch:
-
-permissions:
-  contents: read
-  pages: write
-  id-token: write
-
-concurrency:
-  group: docs-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v5
-
-      - name: Install uv
-        uses: astral-sh/setup-uv@v7
-        with:
-          python-version: "3.14"
-          enable-cache: true
-
-      - name: Sync docs dependencies
-        run: uv sync --frozen --no-install-project --group docs
-
-      - name: Prepare docs
-        run: uv run --no-sync python scripts/docs_prebuild.py
-
-      - name: Build site
-        run: uv run --no-sync zensical build --clean
-
-      - name: Upload Pages artifact
-        uses: actions/upload-pages-artifact@v3
-        with:
-          path: _site
-
-  deploy:
-    needs: build
-    runs-on: ubuntu-latest
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-
-    steps:
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v4