Pyroscope: add public catalog description (#74630)

* Add readme

* Fix wrong link

* Update public/app/plugins/datasource/grafana-pyroscope-datasource/README.md

Co-authored-by: Dmitry Filimonov <dmitry.filimonov@grafana.com>

* Prettier fix

* Update plugins test

* Prettier fix

* updateSnapshotFlag = false

---------

Co-authored-by: Dmitry Filimonov <dmitry.filimonov@grafana.com>

pkg/tests/api/plugins/data/expectedListResp.json

@@ -675,7 +675,7 @@
       "links": [
         {
           "name": "GitHub Project",
-          "url": "https://github.com/grafana/phlare"
+          "url": "https://github.com/grafana/pyroscope"
         }
       ],
       "logos": {
@@ -1896,4 +1896,4 @@
     "signatureOrg": "",
     "angularDetected": false
   }
-]
+]

public/app/plugins/datasource/grafana-pyroscope-datasource/README.md

@@ -0,0 +1,27 @@
+# Grafana Pyroscope Data Source - Native Plugin
+
+Grafana ships with **built in** support for Grafana Pyroscope, an open source continuous profiling platform.
+
+## What is Grafana Pyroscope?
+
+Grafana Pyroscope is an open source continuous profiling platform. It will help you:
+
+- Find performance issues and bottlenecks in your code
+- Use high-cardinality tags/labels to analyze your application
+- Resolve issues with high CPU utilization
+- Track down memory leaks
+- Understand the call tree of your application
+- Auto-instrument your code to link profiling data to traces
+
+## [Live Demo](https://demo.pyroscope.io/)
+
+## Features
+
+- Minimal CPU overhead
+- Horizontally scalable
+- Efficient compression, low disk space requirements
+- Can handle high-cardinality tags/labels
+- Calculate the performance "diff" between various tags/labels and time periods
+- Advanced analysis UI
+
+Read more [here](https://grafana.com/docs/grafana/latest/datasources/grafana-pyroscope/).

public/app/plugins/datasource/grafana-pyroscope-datasource/plugin.json

@@ -26,7 +26,7 @@
     "links": [
       {
         "name": "GitHub Project",
-        "url": "https://github.com/grafana/phlare"
+        "url": "https://github.com/grafana/pyroscope"
       }
     ]
   }