refactor: move the migration guide to /Developers

docs/sources/developers/migration-guide/_index.md

@@ -12,6 +12,7 @@ title: Migration guides
 
 <script>
 (function () {
+  // Previously all the migration docs were on a single page, and the different sections could be linked using URL hashes.
   var anchorRedirects = {
     "migrate-a-plugin-from-angular-to-react": "./angular-react/",
     "from-version-62x-to-74x": "./v6.x-v7.x/",
@@ -25,9 +26,10 @@ title: Migration guides
     "from-version-91x-to-92x": "./v9.1.x-v9.2.x/",
     "from-version-93x-to-94x": "./v9.3.x-v9.4.x/",
   };
-  var anchor = window.location.hash.substring(1);
-  if (anchor) {
-    window.location.replace(anchorRedirects[anchor]);
+  var hash = window.location.hash.substring(1);
+  var redirectTo = anchorRedirects[hash];
+  if (redirectTo) {
+    window.location.replace(redirectTo);
   }
 })();
 </script>

docs/sources/developers/migration-guide/v6.x-v7.x/_index.md

@@ -74,7 +74,7 @@ async query(options: DataQueryRequest<MyQuery>): Promise<DataQueryResponse> {
 
 ## Troubleshoot plugin migration
 
-As of Grafana 7.0, backend plugins can now be cryptographically signed to verify their origin. By default, Grafana ignores unsigned plugins. For more information, refer to [Allow unsigned plugins]({{< relref "../../../../administration/plugin-management/#allow-unsigned-plugins" >}}).
+As of Grafana 7.0, backend plugins can now be cryptographically signed to verify their origin. By default, Grafana ignores unsigned plugins. For more information, refer to [Allow unsigned plugins]({{< relref "../../../administration/plugin-management/#allow-unsigned-plugins" >}}).
 
 ## From version 6.5.x to 7.3.0
 

docs/sources/developers/migration-guide/v7.x-v8.x/_index.md

@@ -154,7 +154,7 @@ We strongly recommend that you not allow unsigned plugins in your Grafana instal
 
 To sign your plugin, see [Sign a plugin](https://grafana.com/docs/grafana/latest/developers/plugins/sign-a-plugin/#sign-a-plugin).
 
-You can still run and develop an unsigned plugin by running your Grafana instance in [development mode](https://grafana.com/docs/grafana/latest/administration/configuration/#app_mode). Alternatively, you can use the [allow_loading_unsigned_plugins]({{< relref "../../../../setup-grafana/configure-grafana/#allow_loading_unsigned_plugins" >}}) configuration setting.
+You can still run and develop an unsigned plugin by running your Grafana instance in [development mode](https://grafana.com/docs/grafana/latest/administration/configuration/#app_mode). Alternatively, you can use the [allow_loading_unsigned_plugins]({{< relref "../../../setup-grafana/configure-grafana/#allow_loading_unsigned_plugins" >}}) configuration setting.
 
 ## Update react-hook-form from v6 to v7
 
@@ -196,7 +196,7 @@ import { cx, css } from '@emotion/css';
 
 ## Update needed for app plugins using dashboards
 
-To make side navigation work properly - app plugins targeting Grafana `8.+` and integrating into the side menu via [addToNav]({{< relref "../../metadata/#properties-4" >}}) property need to adjust their `plugin.json` and all dashboard json files to have a matching `uid`.
+To make side navigation work properly - app plugins targeting Grafana `8.+` and integrating into the side menu via [addToNav]({{< relref "../../plugins/metadata/#properties-4" >}}) property need to adjust their `plugin.json` and all dashboard json files to have a matching `uid`.
 
 **`plugin.json`**
 

docs/sources/developers/migration-guide/v8.x-v9.x/_index.md

@@ -69,7 +69,7 @@ We have removed the deprecated `getFormStyles` function from [grafana-ui](https:
 
 ### /api/ds/query replaces /api/tsdb/query
 
-We have removed the deprecated `/api/tsdb/query` metrics endpoint. Use [/api/ds/query]({{< relref "../../../http_api/data_source/#query-a-data-source" >}}) instead
+We have removed the deprecated `/api/tsdb/query` metrics endpoint. Use [/api/ds/query]({{< relref "../../http_api/data_source/#query-a-data-source" >}}) instead
 
 ### selectOptionInTest has been removed