doc(types): Add jsdoc for breadcrumbs (getsentry#11504)

When interacting with the Breadcrumd API, I had some trouble finding the
correct documentation. I retrieved my changes for the previous
[PR](getsentry#11119) to make
sure the JSDoc is updated with the actual doc.

packages/types/src/breadcrumb.ts

@@ -1,13 +1,70 @@
 import type { SeverityLevel } from './severity';
 
-/** JSDoc */
+/**
+ * Sentry uses breadcrumbs to create a trail of events that happened prior to an issue.
+ * These events are very similar to traditional logs but can record more rich structured data.
+ *
+ * @link https://develop.sentry.dev/sdk/event-payloads/breadcrumbs/
+ */
 export interface Breadcrumb {
+  /**
+   * By default, all breadcrumbs are recorded as default, which makes them appear as a Debug entry, but Sentry provides
+   * other types that influence how the breadcrumbs are rendered. For more information, see the description of
+   * recognized breadcrumb types.
+   *
+   * @summary The type of breadcrumb.
+   * @link https://develop.sentry.dev/sdk/event-payloads/breadcrumbs/#breadcrumb-types
+   */
   type?: string;
+
+  /**
+   * Allowed values are, from highest to lowest:
+   * `fatal`, `error`, `warning`, `info`, and `debug`.
+   * Levels are used in the UI to emphasize and deemphasize the crumb. The default is `info`.
+   *
+   * @summary This defines the severity level of the breadcrumb.
+   */
   level?: SeverityLevel;
+
   event_id?: string;
+
+  /**
+   * Typically it is a module name or a descriptive string. For instance, `ui.click` could be used to
+   * indicate that a click happened in the UI or flask could be used to indicate that the event originated in
+   * the Flask framework.
+   * @private Internally we render some crumbs' color and icon based on the provided category.
+   *          For more information, see the description of recognized breadcrumb types.
+   * @summary A dotted string indicating what the crumb is or from where it comes.
+   * @link    https://develop.sentry.dev/sdk/event-payloads/breadcrumbs/#breadcrumb-types
+   */
   category?: string;
+
+  /**
+   * If a message is provided, it is rendered as text with all whitespace preserved.
+   *
+   * @summary Human-readable message for the breadcrumb.
+   */
   message?: string;
+
+  /**
+   * Contains a dictionary whose contents depend on the breadcrumb type.
+   * Additional parameters that are unsupported by the type are rendered as a key/value table.
+   *
+   * @summary Arbitrary data associated with this breadcrumb.
+   */
   data?: { [key: string]: any };
+
+  /**
+   * The format is a numeric (integer or float) value representing
+   * the number of seconds that have elapsed since the Unixepoch.
+   * Breadcrumbs are most useful when they include a timestamp, as it creates a timeline
+   * leading up to an event expection/error.
+   *
+   * @note The API supports a string as defined in RFC 3339, but the SDKs only support a numeric value for now.
+   *
+   * @summary A timestamp representing when the breadcrumb occurred.
+   * @link https://develop.sentry.dev/sdk/event-payloads/breadcrumbs/#:~:text=is%20info.-,timestamp,-(recommended)
+   */
   timestamp?: number;
 }