ci: deploy docs via Ddraig SSG (#65)

Mass rollout for Ddraig SSG

Author: hyperpolymath

.github/workflows/pages.yml

@@ -1,8 +1,7 @@
-# SPDX-License-Identifier: MPL-2.0
-name: GitHub Pages
+name: GitHub Pages (Ddraig SSG)
 on:
   push:
-    branches: [main]
+    branches: [main, master]
   workflow_dispatch:
 permissions:
   contents: read
@@ -15,30 +14,30 @@ jobs:
   build:
     runs-on: ubuntu-latest
     timeout-minutes: 15
+    container:
+      image: ghcr.io/stefan-hoeck/idris2-pack@sha256:f0758996a931fb35d9ecb1de273c4d59dabe2a09b433afc7e357f65a08b7e1ff
     steps:
-      - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
-      - name: Setup GHCup
-        uses: haskell-actions/setup@cd0d9bdd65b20557f41bea4dbe43d0b5fbbfe553 # v2
+      - name: Checkout Site
+        uses: actions/checkout@v4
+      - name: Checkout Ddraig SSG
+        uses: actions/checkout@v4
         with:
-          ghc-version: '9.8.2'
-          cabal-version: '3.10'
-      - name: Cache Cabal
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v4
-        with:
-          path: |
-            ~/.cabal/packages
-            ~/.cabal/store
-            dist-newstyle
-          key: ${{ runner.os }}-cabal-${{ hashFiles('casket-ssg.cabal') }}
-      - name: Build casket-ssg
-        run: cabal build
+          repository: hyperpolymath/ddraig-ssg
+          path: .ddraig-ssg
+      - name: Compile Ddraig
+        working-directory: .ddraig-ssg
+        run: idris2 Ddraig.idr -o ddraig
       - name: Build site
-        run: cabal run casket-ssg -- build site _site
-      - name: Setup Pages
-        uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
+        run: |
+          mkdir -p src
+          if [ ! -f src/index.md ] && [ -f README.md ]; then
+            cp README.md src/index.md
+          elif [ ! -f src/index.md ]; then
+            echo "# ${GITHUB_REPOSITORY}" > src/index.md
+          fi
+          ./.ddraig-ssg/build/exec/ddraig build src _site https://hyperpolymath.github.io/${GITHUB_REPOSITORY#*/}
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v3
+        uses: actions/upload-pages-artifact@v3
         with:
           path: '_site'
   deploy:
@@ -51,4 +50,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0
+        uses: actions/deploy-pages@v4