workflow: update RELEASE.md

Author: ayufan

.github/workflows/build_pre_release.yaml

@@ -17,6 +17,10 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v3
+    - name: Update version in RELEASE.md
+      shell: bash
+      run: |
+        sed -i 's|#{GIT_TAG_NAME}|${{ env.TAG }}|g' RELEASE.md
     - name: Create draft release
       uses: ncipollo/release-action@v1
       with:

RELEASE.md

@@ -3,3 +3,11 @@
 [![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/Y8Y8GCP24)
 
 If you found it useful :)
+
+## Use it
+
+For starting quickly all images are precompiled and hosted at https://hub.docker.com/r/ayufan/proxmox-backup-server/tags.
+
+```
+docker pull ayufan/proxmox-backup-server:#{GIT_TAG_NAME}
+```