feat: create Bruno requests for library system API

- Add library management requests (CRUD operations)
- Create media items API requests for library content
- Implement library visibility controls
- Add user library access management
- Update deprecated ebook folder endpoints with migration guide
- Include comprehensive documentation and test cases
- Replace collection.bru with proper dashboard request

Complete Bruno collection supporting new multi-library architecture

bruno/media-items/Create Media Rating.bru

@@ -0,0 +1,25 @@
+meta {
+  name: Create Media Rating,
+  type: http,
+  seq: 1
+}
+
+post {
+  url: "/api/media-items/{{ _.mediaItemId }}/rating"
+  headers: {
+    Authorization: "Bearer {{ _.token }}",
+    Content-Type: "application/json"
+  }
+  body: {
+    rating: {{ _.rating }}
+  }
+}
+
+tests: {
+  test_create_rating_success: {
+    status: 201,
+    headers: {
+      "content-type": "application/json"
+    }
+  }
+}

bruno/media-items/Get Media Item.bru

@@ -0,0 +1,22 @@
+meta {
+  name: Get Media Item,
+  type: http,
+  seq: 1
+}
+
+get {
+  url: "/api/media-items/{{ _.mediaItemId }}"
+  headers: {
+    Authorization: "Bearer {{ _.token }}",
+    Content-Type: "application/json"
+  }
+}
+
+tests: {
+  test_get_media_item_success: {
+    status: 200,
+    headers: {
+      "content-type": "application/json"
+    }
+  }
+}

bruno/media-items/List Media Items.bru

@@ -0,0 +1,22 @@
+meta {
+  name: List Media Items,
+  type: http,
+  seq: 1
+}
+
+get {
+  url: "/api/media-items?library_id={{ _.libraryId }}&limit=20&offset=0"
+  headers: {
+    Authorization: "Bearer {{ _.token }}",
+    Content-Type: "application/json"
+  }
+}
+
+tests: {
+  test_list_media_items_success: {
+    status: 200,
+    headers: {
+      "content-type": "application/json"
+    }
+  }
+}