fix broken links of integration docs in table content (#2493)

README.md

@@ -29,14 +29,14 @@ in which case you may not even need the asset pipeline. This is mostly relevant
   - [Upgrading](#upgrading)
   - [Yarn Integrity](#yarn-integrity)
 - [Integrations](#integrations)
-  - [React](#react)
-  - [Angular with TypeScript](#angular-with-typescript)
-  - [Vue](#vue)
-  - [Elm](#elm)
-  - [Stimulus](#stimulus)
-  - [Svelte](#svelte)
-  - [CoffeeScript](#coffeescript)
-  - [Erb](#erb)
+  - [React](./docs/integrations.md#react)
+  - [Angular with TypeScript](./docs/integrations.md#angular-with-typescript)
+  - [Vue](./docs/integrations.md#vue)
+  - [Elm](./docs/integrations.md#elm)
+  - [Stimulus](./docs/integrations.md#stimulus)
+  - [Svelte](./docs/integrations.md#svelte)
+  - [CoffeeScript](./docs/integrations.md#coffeescript)
+  - [Erb](./docs/integrations.md#erb)
 - [Paths](#paths)
   - [Resolved](#resolved)
   - [Watched](#watched)