Power platform blog updates

[NatiTurts]

We're so eager to add your sample to this repository as soon as possible, but we need all samples follow the same structure.
To make sure we process it as soon as possible, make sure to follow these instructions.

Q	A
Bug fix?	no
New feature?	no
New sample?	yes

Solution Details

Q	A
Solution requires premium license	no
Which connectors are used?	RSS, Outlook.
Solution uses on-premises connectors?	no
Solution uses custom connectors?	no

What's in this Pull Request?

Please describe the changes in this PR. Sample description or details around bugs which are being fixed.
This is an initial submission for a solution i created to consolidate all Power Platform blog updates into a single email that can be scheduled to run weekly.

[github-actions]

Validation failed!

File: samples/Power-Platform-Blog-Updates/assets/sample.json

• Invalid url for thumbnail Getting ready for first samples #1 property: The provided URL is not responding correctly!

[github-actions]

Validation failed!

File: samples/Power-Platform-Blog-Updates/assets/sample.json

• Invalid url for thumbnail Getting ready for first samples #1 property: The provided URL is not responding correctly!