add png background to fix dark mode view of this article (#3450)

<!-- PR description-->

---

#### Does this PR need a docs update or release note?

- [ ]  Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x]  No

#### Type of change

<!--- Please check the type of change your PR introduces: --->
- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [x] 🗺️ Documentation
- [ ] 🤖 Supportability/Tests
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

#### Issue(s)

<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* #<issue>

#### Test Plan

<!-- How will this be tested prior to merging.-->
- [ ] 💪 Manual
- [ ]  Unit test
- [ ] 💚 E2E
This commit is contained in:
Nočnica Mellifera 2023-05-18 09:30:00 -07:00 committed by GitHub
parent 8cd5541244
commit 2f368326e2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 0 additions and 0 deletions

Binary file not shown.

Before

Width:  |  Height:  |  Size: 36 KiB

After

Width:  |  Height:  |  Size: 224 KiB

Binary file not shown.

Before

Width:  |  Height:  |  Size: 34 KiB

After

Width:  |  Height:  |  Size: 232 KiB