docs: improve core package API documentation with additional reference links

(cherry picked from commit 67d41e9bcc)

packages/core/src/application/application_tokens.ts

@@ -113,6 +113,8 @@ export const ANIMATION_MODULE_TYPE = new InjectionToken<'NoopAnimations' | 'Brow
  * Angular will apply when inserting inline styles. If not provided, Angular will look up its value
  * from the `ngCspNonce` attribute of the application root node.
  *
+ * @see [Content security policy](best-practices/security#content-security-policy)
+ *
  * @publicApi
  */
 export const CSP_NONCE = new InjectionToken<string | null>(
@@ -175,6 +177,8 @@ export const IMAGE_CONFIG_DEFAULTS: ImageConfig = {
  *
  * @see {@link NgOptimizedImage}
  * @see {@link ImageConfig}
+ * @see [Responsive images](guide/image-optimization#responsive-images)
+ * @see [Using placeholders](guide/image-optimization#using-placeholders)
  * @publicApi
  */
 export const IMAGE_CONFIG = new InjectionToken<ImageConfig>(

packages/core/src/linker/component_factory.ts

@@ -21,6 +21,8 @@ import type {ViewRef} from './view_ref';
  * Provides access to the component instance and related objects,
  * and provides the means of destroying the instance.
  *
+ * @see [Programmatically rendering components](guide/components/programmatic-rendering)
+ *
  * @publicApi
  */
 export abstract class ComponentRef<C> {

packages/core/src/sanitization/sanitizer.ts

@@ -12,6 +12,8 @@ import {SecurityContext} from './security';
 /**
  * Sanitizer is used by the views to sanitize potentially dangerous values.
  *
+ * @see [Sanitization and security contexts](best-practices/security#sanitization-and-security-contexts)
+ *
  * @publicApi
  */
 export abstract class Sanitizer {