Added github workflow to build and publish documentation

.github/workflows/publish-docs.yml

@@ -0,0 +1,43 @@
+name: Build & Publish Zig docs
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Zig
+        uses: mlugg/setup-zig@v2
+        with:
+          version: '0.13.0'
+
+      - name: Build docs
+        run: zig build docs
+
+      - name: Verify docs produced
+        run: |
+          ls -la zig-out/docs || (echo "ERROR: zig-out/docs not found" && exit 1)
+
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v4
+        with:
+          path: zig-out/docs
+
+      - name: Configure GitHub Pages
+        uses: actions/configure-pages@v5
+
+      - name: Deploy to GitHub Pages (only on push to main)
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        uses: actions/deploy-pages@v4
+

build.zig

@@ -26,12 +26,19 @@ pub fn build(b: *std.Build) void {
         b.installArtifact(default_config);
     }
 
+    const install_docs = b.addInstallDirectory(.{
+        .source_dir = lib.getEmittedDocs(),
+        .install_dir = .prefix,
+        .install_subdir = "docs",
+    });
     const lib_unit_tests = b.addTest(.{
         .root_source_file = b.path("src/root.zig"),
         .target = target,
         .optimize = optimize,
     });
     const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
     const test_step = b.step("test", "Run unit tests");
+    const docs_step = b.step("docs", "Generate documentation");
     test_step.dependOn(&run_lib_unit_tests.step);
+    docs_step.dependOn(&install_docs.step);
 }