* fix: remove unused ogImage size validation
Validation of `ogImage` field in blog collection
causes unintentional broken og images after the build.
Removing the validation solve the issue.
* docs: update docs for ogImage path
* chore: update asset
* docs: update astro-paper theme config docs
* docs: update adding-new-post blog post
* docs: remove outdated posts and update featured posts
* fix: update broken image link in astro-paper-4 blog
* docs: add a blog post for astro-paper-v5
* docs: update README for AstroPaper v5
* fix: update blog post formatting
satnaing