Add blog pr template

Author: cb341

.github/pull_request_template/blog.md

@@ -0,0 +1,23 @@
+# Blog Article
+
+## Checklist
+
+Please ensure the following items are completed before requesting review:
+
+- [ ] Attached images match style of others
+- [ ] Meta data is set
+- [ ] Publish date is up to date
+- [ ] Doppel ss (ß) with unicode here
+- [ ] Quote unicode (") → ASCII (")
+- [ ] Confidentiality
+- [ ] Proofread
+- [ ] Tested locally for layout
+
+## Description
+
+<!-- Provide a brief description of the blog post content -->
+
+## Cross-posting Links
+
+- [ ] Published on [renuo.ch/blog](https://renuo.ch/blog)
+- [ ] Published on [dev.to](https://dev.to)