Added the manual build workflow to the repo

.github/workflows/build.yml

@@ -0,0 +1,46 @@
+name: Build
+
+on:
+    workflow_dispatch:
+        inputs:
+            img_tag:
+                description: Docker Image Tag
+            ref:
+                description: Revision or Branch to build
+                default: main
+            push_latest:
+                description: Set True if the build is for the latest version
+                type: boolean
+                required: false
+                default: false
+            platforms:
+                description: Platforms to build for
+                type: choice
+                default: linux/amd64,linux/arm64
+                options:
+                - linux/amd64,linux/arm64
+                - linux/amd64
+                - linux/arm64
+            rebuild:
+                description: Rebuild this image?
+                type: boolean
+                default: false
+
+jobs:
+    build-image:
+        runs-on: ubuntu-latest
+        permissions:
+            contents: read
+            packages: write
+
+        steps:
+            - name: Build Image
+              uses: hathitrust/github_actions/build@v1
+              with:
+                image: ghcr.io/${{ github.repository }}
+                dockerfile: Dockerfile
+                img_tag: ${{ inputs.img_tag }}
+                tag: ${{ inputs.ref }}
+                push_latest: ${{ inputs.push_latest}}
+                registry_token: ${{ github.token }}
+                rebuild: ${{ inputs.rebuild }}