docs: fix two broken links in guides and google-maps README

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

Author: ZainnQureshii

guides/schematics.md

@@ -22,7 +22,7 @@ ng add @angular/cdk
 
 The Angular Material `ng add` schematic helps you set up an Angular CLI project that uses Material. Running `ng add` will:
 
-- Ensure [project dependencies](./getting-started#step-1-install-angular-material-angular-cdk-and-angular-animations) are placed in `package.json`
+- Ensure [project dependencies](./getting-started#install-angular-material) are placed in `package.json`
 - Add either a prebuilt theme or a custom theme
 - Add Roboto fonts to your `index.html`
 - Add the [Material Symbols icon font](https://fonts.google.com/icons) to your `index.html`

src/google-maps/README.md

@@ -48,7 +48,7 @@ Include the [Dynamic Library Import script](https://developers.google.com/maps/d
 - [`MapTransitLayer`](./map-transit-layer/README.md)
 - [`MapBicyclingLayer`](./map-bicycling-layer/README.md)
 - [`MapDirectionsRenderer`](./map-directions-renderer/README.md)
-- [`MapHeatmapLayer`](./map-heatmap-layer/README.md)
+- `MapHeatmapLayer` (deprecated: Google Maps no longer supports the heatmap API, so it is a no-op)
 
 ## Services