feat(ci): enhance CI pipeline with README artifact management

- Removes unnecessary checkout step from the pipeline.
- Adds steps to upload and download the README artifact.
- Configures synchronization of the README on Docker Hub after download.
- Ensures compatibility with 'linux/amd64' platform for artifact uploading.

Author: winromulus

.github/workflows/pipeline.yaml

@@ -130,9 +130,6 @@ jobs:
       gitVersion_SemVer: ${{ needs.discovery.outputs.gitVersion_SemVer }}
       gitVersion_AssemblySemFileVer: ${{ needs.discovery.outputs.gitVersion_AssemblySemFileVer }}
     steps:
-      - name: checkout
-        uses: actions/checkout@v4
-
       - name: tools - docker - login ghcr.io
         if: ${{ env.build_push == 'true' }}
         uses: docker/login-action@v3
@@ -172,6 +169,14 @@ jobs:
             ${{ env.container_image_repository_dockerhub }}/${{ env.container_image }}:${{ env.gitVersion_SemVer }}-${{ matrix.platform == 'linux/amd64' && 'amd64' || 'arm64' }}
             ${{ env.container_image_repository_ghcr }}/${{ env.container_image }}:${{ env.gitVersion_SemVer }}-${{ matrix.platform == 'linux/amd64' && 'amd64' || 'arm64' }}
 
+      - name: artifacts - upload readme
+        if: ${{ matrix.platform == 'linux/amd64' }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: readme
+          path: README.md
+          retention-days: 1
+
   manifest:
     name: build - manifest
     if: ${{ needs.discovery.outputs.build_push == 'true' }}
@@ -214,6 +219,8 @@ jobs:
       gitVersion_SemVer: ${{ needs.discovery.outputs.gitVersion_SemVer }}
       gitVersion_AssemblySemFileVer: ${{ needs.discovery.outputs.gitVersion_AssemblySemFileVer }}
     steps:
+      - name: checkout
+        uses: actions/checkout@v4
       - name: tools - docker - login ghcr.io
         uses: docker/login-action@v3
         with:
@@ -248,6 +255,21 @@ jobs:
           generate_release_notes: true
           token: ${{ secrets.ES_GITHUB_PAT }}
 
+      - name: artifacts - download readme
+        uses: actions/download-artifact@v4
+        with:
+          name: readme
+          path: .
+
+      - name: dockerhub - readme - sync
+        uses: peter-evans/dockerhub-description@v4
+        with:
+          username: ${{ secrets.ES_DOCKERHUB_USERNAME }}
+          password: ${{ secrets.ES_DOCKERHUB_PAT }}
+          repository: ${{ env.container_image_repository_dockerhub }}/${{ env.container_image }}
+          readme-filepath: ./README.md
+          short-description: "Enhanced GitHub Actions self-hosted runner with comprehensive development tools"
+