feat: add upcoming episodes and movies timeline (#17)

docs/content/docs/api/dashboard/dashboard.upcoming.mdx

@@ -0,0 +1,19 @@
+---
+title: Get upcoming episodes and movies
+full: true
+_openapi:
+  method: GET
+  toc: []
+  structuredData:
+    headings: []
+    contents:
+      - content: >-
+          Fetch upcoming episodes and movie releases for titles in the user's
+          library, sorted by date. Supports cursor-based pagination.
+---
+
+{/* This file was generated by Fumadocs. Do not edit this file directly. Any changes should be made by running the generation command again. */}
+
+Fetch upcoming episodes and movie releases for titles in the user's library, sorted by date. Supports cursor-based pagination.
+
+<APIPage document={"./public/openapi.json"} operations={[{"path":"/dashboard/upcoming","method":"get"}]} />