Fix: Fixed and added missing code syntax tags in posts

content/blog/angular-templates-start-to-source/index.md

@@ -1535,7 +1535,7 @@ This may seem strange upon first glance, but remember: **the structural directiv
 
 This becomes more apparent when you expand the syntax to look something like this:
 
-```
+```html
 <ng-template makePiglatin="'This is a string'; let msg; let ogMsg = original">
 	<p [makePiglatinCasing]="'UPPER'">
 		The message "{{msg}}" is "{{ogMsg}}" in 🐷 Latin