ER: additions to the "Hack for LA's GitHub Actions" wiki guide

### Dependency
- #3635
- #3636

### Overview
We need to add new content to the "Hack for LA's GitHub Actions" wiki guide, to provide background and GitHub links pertaining to various topics that will be useful to developers working on GHA issues.

### Action Items
We are currently in the process of moving the old wiki to the new [website-wiki repo](https://github.com/hackforla/website-wiki), so we will not be making any changes or additions to the old wiki at this time. Thus, we will be adding wiki content through a different process now. Read [How to Contribute to the Wiki](https://github.com/hackforla/website/wiki/How-to-Contribute-to-the-Wiki).

Currently, the most recent version of the "Hack for LA's GitHub Actions" is at https://github.com/hackforla/website/issues/6537#issuecomment-2041147335

- [ ] Create issues to write the content for each topic listed below under "Content"

### Resources/Instructions
Issues that could have used the documentation
- #1445
- #1892

#### Content
- Graph QL
- Using GitHub Artifacts (including link to Github)

#### Decision Record Solutions Not Implemented
- ~Finding and Access Logs for GitHub Actions~ see https://github.com/hackforla/website/wiki/DR:-Implement-a-logging-system-for-all-HfLA-GitHub-actions

#### Resources

- [Most recent version of "Hack for LA's GitHub Actions"](https://github.com/hackforla/website/issues/6537#issuecomment-2041147335)
- [How to Contribute to the Wiki](https://github.com/hackforla/website/wiki/How-to-Contribute-to-the-Wiki)