feat: allow for draft releases

Closes #56.

Adds a `draft` input that, if true, skips the step of setting the draft
status to false.

Signed-off-by: crueter <crueter@eden-emu.dev>

README.md

@@ -26,6 +26,7 @@ Upload or download the assets of a release to a Forgejo instance.
 | `verbose` | <p>Increase the verbosity level</p> | `false` | `false` |
 | `override` | <p>Override an existing release by the same <code>{tag}</code></p> | `false` | `false` |
 | `prerelease` | <p>Mark Release as Pre-Release</p> | `false` | `false` |
+| `draft` | <p>Mark this release as a draft</p> | `false` | `false` |
 | `release-notes-assistant` | <p>Generate release notes with Release Notes Assistant</p> | `false` | `false` |
 | `hide-archive-link` | <p>Hide the archive links</p> | `false` | `false` |
 <!-- action-docs-inputs source="action.yml" -->
@@ -53,6 +54,27 @@ jobs:
           release-notes: "MY RELEASE NOTES"
 ```
 
+Upload a draft prerelease, with assets located in `artifacts`:
+
+```yaml
+jobs:
+  upload-release:
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/forgejo-release@v2.7.3
+        with:
+          direction: upload
+          url: https://my-forgejo-instance.net
+          repo: myuser/myrepo
+          token: ${{ secrets.WRITE_TOKEN_TO_MYREPO }}
+          tag: v2.1.0-rc1
+          release-dir: artifacts
+          release-notes: "CHANGEME"
+          draft: true
+          prerelease: true
+```
+
 ### Download
 
 Example downloading the forgejo release v1.21.4-0 into the working directory: