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

src/Blog/appsettings.example.json

@@ -1,5 +1,12 @@
 {
   "Urls": "https://localhost:4500;http://localhost:4501",
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
   "FilePostServiceOptions": {
     "PostsDirectory": "wwwroot/posts"
   },