add-to-project workflow: automatically assign pr to its creator (#36)

## Description

Add labeled PRs to PR creator

## Changes Made

Add labeled PRs to PR creator

## Related Issues

Fixes #35 

## Checklist

- [x] I have used a PR title that is descriptive enough for a release
note.
- [x] I have tested these changes locally.
- [ ] I have added appropriate tests or updated existing tests.
- [ ] I have tested these changes on a dedicated VM or a customer VM
[name of the VM]
- [x] I have added appropriate documentation or updated existing
documentation.

---------

Co-authored-by: Bot <[email protected]>

.github/workflows/add-to-project.yaml

@@ -28,3 +28,12 @@ jobs:
           project-url: ${{ inputs.project-url != '' && inputs.project-url || secrets.PLATFORM_PROJECT_URL }}
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
           labeled: ${{ inputs.labeled }}
+  assing-pr-to-creator:
+    name: Assign PR to creator
+    runs-on: ubuntu-latest
+    steps:
+    - name: Assign PR to creator
+      uses: thomaseizinger/[email protected]
+      if: github.event_name == 'pull_request'
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}

README.MD

@@ -5,9 +5,10 @@ This repository hosts [re-usable github workflows][re-usable-github-workflows].
 The repository includes:
 
 - [add-to-project](.github/workflows/add-to-project.yaml) workflow: when a new
-  issue or PR is added to a repository, it is also added to the
+  issue or PR is added to a repository, it is also added - by default - to the
   [SynchroHub platform project](https://github.com/orgs/zaphiro-technologies/projects/2)
-  with status `new`.
+  or to the project defined by `project-url` input parameter with status `new`.
+  When a new PR is added, the PR is assigned to its creator.
 - [check-pr](.github/workflows/check-pr.yaml) workflow: when a new PR is added
   to a repository or any change occurs to the pr, the pr is validated to be sure
   that labels are valid.

RELEASE_NOTES.md

@@ -1,9 +1,11 @@
 # github-workflows Release Notes
 
-## 0.0.2-dev - 2023-09-13
+## 0.0.2-dev - 2023-09-27
 
 ### Features
 
+- add-to-project workflow: automatically assign pr to its creator (PR #36 by
+  @chicco785)
 - add-to-project workflow: make project url configurable as input parameter (PR
   #33 by @chicco785)
 - add-to-project workflow: make labels configurable as inputs (PR #27 by