feat: add individual post page (#4)

* chore: add markdown lint to ignore no h1 heading in markdown files

* chore: update example settings

* chore: update example development env file

* fix: remove fixed 100% height on container

* feat: add individual post page

* chore: update README.md

* feat: add links to headings in post and add copy button to code blocks

* tests: add tests for get post async method

* tests: remove heading for test blogs

* fix: only add links to headings in markdown body

* tests: add tests for post page

* tests: add test to check for blog content

* docs: add jsdoc comments

* chore: fix incorrect env variable format in example

* fix: don't render anything if blog post is null

* fix: don't render anything until posts are fetched

* chore: add docker compose file for prod

docker-compose.prod.yml

@@ -0,0 +1,13 @@
+version: '3.8'
+name: blog-production
+services:
+  blog:
+    build:
+      target: production-stage
+      context: ./src/Blog/
+      dockerfile: Dockerfile
+    ports:
+      - 8080
+    restart: always
+    environment:
+      - FilePostServiceOptions__PostsDirectory=wwwroot/posts