feat: add linkedin profile URL

extensions/linkedin/0.1.0/schema.json

@@ -1,9 +1,9 @@
 {
     "type": "string",
-    "description": "This extension allows you to provide the Linkedin username of the account representing the team/company of the API.",
+    "description": "This extension allows you to provide the Linkedin profile URL of the account representing the team/company of the API.",
     "example": [
-        "sambhavgupta0705",
-        "asyncapi"
+        "https://www.linkedin.com/company/asyncapi/",
+        "https://www.linkedin.com/in/sambhavgupta0705/"
     ],
     "$schema": "http://json-schema.org/draft-07/schema#",
     "$id": "http://asyncapi.com/extensions/linkedin/0.1.0/schema.json"