test(bruno): Add API tests for Kobo, Koreader, OPDS, collections

- Add Kobo bookmark/markup sync tests
- Add Koreader progress/bookmark sync tests
- Add OPDS feed tests
- Add collection tests
- Add sync tests for book linking

bruno/sidecar/Get Device Sidecar Config.bru

@@ -0,0 +1,21 @@
+meta {
+  name: "Get Device Sidecar Config"
+  type: http
+  seq: 1
+}
+
+get {
+  url: {{base_url}}/api/devices/{{device_id}}/sidecar
+  auth: {
+    type: bearer
+    bearer: {{user_token}}
+  }
+}
+
+assert {
+  response.status == 200
+  response.body.version == "1.0"
+  response.body.bookmann exists()
+  response.body.books exists()
+  response.body.collections exists()
+}