feat: adding resource write endpoints (#30)

docs/resource/update/README.md

@@ -0,0 +1,60 @@
+---
+title: Resource Update
+---
+
+<Block>
+
+# Resource Update Endpoint
+
+The resource update endpoint updates an external resource and returns the updated external resource.
+
+For example, the `/api/resource/1083?external_id=5081` endpoint will update the external resource external_id attribute and return the updated external resource.
+
+## URL
+
+```sh
+PUT|PATCH /api/resource/{id}
+```
+
+## Authentication
+
+**Required Permission**: update external resource
+
+**Roles with Permission**: Wiki Editor, Admin
+
+## Parameters
+
+| Name        | Required | Rules                                                                                                                  |
+| :---------: | :------: | :--------------------------------------------------------------------------------------------------------------------- |
+| link        | No       | max:192, url, link matches site                                                                                        |
+| external_id | No       | integer, min:0                                                                                                         |
+| site        | No       | EnumValue {Official Website, Twitter, AniDB, Anilist, Anime-Planet, Anime News Network, Kitsu, MyAnimeList, Wikipedia} |
+
+## Response
+
+```json
+{
+    resource: {
+        id: id,
+        link: "link",
+        external_id: external_id,
+        site: "site",
+        created_at: "created_at",
+        updated_at: "updated_at",
+        deleted_at: "deleted_at",
+        link: "link"
+    }
+}
+```
+
+<Example>
+
+<CURL>
+```bash
+curl -X PATCH -H "Authorization: Bearer {token}" https://api.animethemes.moe/resource/1083
+```
+</CURL>
+
+</Example>
+
+</Block>