chore: update Angular (20), storybook (9), node (22), use npm instead of yarn

Author: kroeder

packages/angular-demo/src/app/stories/functions-and-constants.mdx

@@ -1,7 +1,10 @@
 import { ArgTypes, Meta } from '@storybook/addon-docs/blocks';
 
-<Meta title="TypeScript/Functions and constants" /># Functions and constants Functions and constants
-need to be annotated with `@include-docs` for the type information to be generated.
+<Meta title="TypeScript/Functions and constants" />
+
+# Functions and constants
+
+Functions and constants need to be annotated with `@include-docs` for the type information to be generated.
 
 ## Functions
 

packages/angular-demo/src/app/stories/interface.mdx

@@ -1,6 +1,10 @@
 import { ArgTypes, Meta } from '@storybook/addon-docs/blocks';
 
-<Meta title="TypeScript/Interfaces" /># Interface ## Product
+<Meta title="TypeScript/Interfaces" />
+
+# Interface
+
+## Product
 
 Interfaces need to be annotated with `@include-docs` for the type information to be generated.