Add action to manually publish docs

Signed-off-by: Jimmy Tanagra <jcode@tanagra.id.au>

Author: jimtng

.github/workflows/manual-doc-publish.yml

@@ -0,0 +1,26 @@
+name: Manually Publish Documentation
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Version tag to publish: <major>.<minor>"
+        required: true
+        type: string
+
+env:
+  RUBY_VERSION: 3.1.4
+
+permissions:
+  contents: write
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ inputs.version }}
+  cancel-in-progress: true
+
+jobs:
+  publish_tag_docs:
+    uses: ./.github/workflows/yardoc.yml
+    with:
+      ref_name: v${{ inputs.version }}
+      ref_type: tag