Build vs buy blog post

Created by: st0nebraker

Adds a blogpost & along with image asset, closing #5564 (closed)

Changelog

• Adds new blog post .md along with the associated asset

Test

1. Ensure prettier has standardized the proposed changes.
2. Navigate to /blog/things-to-know-before-building-a-code-search-tool and ensure blog post renders as expected
3. Test responsive sizing
4. Navigate to /blog index & ensure new blog card renders as expected