feat(transformers): Implement applyng limited transform configs via ENV

docsite/docs/configuration/transforms/native.mdx

@@ -73,6 +73,50 @@ Each [Rule](/configuration/transforms#stage-rules) should be either a boolean, s
 
 If a rule is not present then multi-scrobbler defaults it to `true`.
 
+## ENV Configuration
+
+The default configuration shown above can also be applied using [ENV Config](/configuration?configType=env#configuration-types) for individual Sources/Clients.
+
+Use ENV `*_TRANSFORMS=native` on each Source/Client you wish to apply this stage to. This applies the stage in the [`preTransform` Hook](#/configuration/transforms#lifecycle-hooks) with all [Rules](#rules) enabled.
+
+The `*` stands for the prefix used for each Source/Client's ENV keys. Refer to the individual Source/Client Configuration sections to find this.
+
+:::tip
+
+Enhancing a scrobble with the `preTransform` hook for a Source means that all Clients that recieve the scrobble get the enhanced version. You only need to apply the transform once, for a Source, to use it everywhere for downstream Clients.
+
+:::
+
+<details>
+
+<summary>Example Full Docker Deploy with ENV Configuration</summary>
+
+Using [Jellyfin + Maloja](/quickstart#create-docker-compose-file) example from Quickstart:
+
+```yaml
+services:
+  multi-scrobbler:
+    image: foxxmd/multi-scrobbler
+    container_name: multi-scrobbler
+    environment:
+      - JELLYFIN_URL=192.168.0.110:8096
+      - JELLYFIN_APIKEY=c9fae8756fbf481ebd9c5bb56b
+      - JELLYFIN_USER=MyUser
+      - JELLYFIN_TRANSFORMS=native # applies native Stage to preTransform of Jellyfin source
+
+      - MALOJA_URL=http://192.168.0.100:42010 # maloja receives enhanced scrobble from Jellyfin
+      - MALOJA_API_KEY=myApiKey
+
+
+    volumes:
+      - "./config:/config"
+    ports:
+      - "9078:9078"
+    restart: unless-stopped
+```
+
+</details>
+
 ## Examples
 
 ### Parse only artists string using a custom delimiter