message: docs: change heading to a sub-heading
  This commit changes the heading of the section
  `Use TypeScript path mapping for peer dependencies` to a sub-heading of
  `Linked Libraries`.
  Fixes
  PR Close
diff: @@ -156,7 +156,7 @@ The library must be rebuilt on every change.
  When linking a library, make sure that the build step runs in watch mode, and that the library's `package.json` configuration points at the correct entry points.
  For example, `main` should point at a JavaScript file, not a TypeScript file.
  -## Use TypeScript path mapping for peer dependencies
  +### Use TypeScript path mapping for peer dependencies
  Angular libraries should list all `@angular/*` dependencies as peer dependencies.
  This ensures that when modules ask for Angular, they all get the exact same module.
  