Update links

Author: marcusolsson

src/plugin.json

@@ -18,13 +18,17 @@
       "large": "img/logo.svg"
     },
     "links": [
+      {
+        "name": "Documentation",
+        "url": "https://marcusolsson.github.io/grafana-json-datasource"
+      },
       {
         "name": "Website",
-        "url": "https://github.com/marcusolsson/grafana-jsonapi-datasource"
+        "url": "https://github.com/marcusolsson/grafana-json-datasource"
       },
       {
         "name": "License",
-        "url": "https://github.com/marcusolsson/grafana-jsonapi-datasource/blob/master/LICENSE"
+        "url": "https://github.com/marcusolsson/grafana-json-datasource/blob/main/LICENSE"
       }
     ],
     "screenshots": [