Fix broken metrics link (#277)

* Fixed the broken link in the self-hosting telemetry page

* Re-wording and better component usage

Author: michaelbarnes

self-hosting/lifecycle-maintenance/telemetry.mdx

@@ -13,7 +13,9 @@ This telemetry is shared with the PowerSync team unless you opt-out. This allows
 
 Below are the data points collected every few minutes and associated with a random UUID representing your instance:
 
-| dimension                         | type    |
+<Note>Type definitions for each metric dimension are available in the [powersync-service](https://github.com/powersync-ja/powersync-service/blob/main/packages/types/src/metrics.ts) repository.</Note>
+
+| Dimension                         | Type    |
 | --------------------------------- | ------- |
 | data\_replicated\_bytes           | counter |
 | data\_synced\_bytes               | counter |
@@ -26,9 +28,7 @@ Below are the data points collected every few minutes and associated with a rand
 | parameter\_storage\_size\_bytes   | gauge   |
 | concurrent\_connections           | gauge   |
 
-See [https://github.com/powersync-ja/powersync-service/blob/main/packages/service-core/src/metrics/Metrics.ts](https://github.com/powersync-ja/powersync-service/blob/main/packages/service-core/src/metrics/Metrics.ts) for additional details.
-
-To scrape your self-hosted PowerSync Service metrics, please see the [Metrics](/self-hosting/lifecycle-maintenance/metrics) docs page for more details.
+<Tip>To scrape your self-hosted PowerSync Service metrics, please see the [Metrics](/self-hosting/lifecycle-maintenance/metrics) docs page for more details.</Tip>
 
 ### Opting Out