migrate 392 questions to pattern format

backend/data/questions/jump-game-vii.yaml

@@ -7,9 +7,12 @@ categories:
   - strings
   - dynamic-programming
 patterns:
-  - bfs
-  - sliding-window
-  - dynamic-programming
+  - slug: bfs
+    is_optimal: false
+  - slug: sliding-window
+    is_optimal: true
+  - slug: dynamic-programming
+    is_optimal: false
 
 function_signature: "def can_reach(s: str, min_jump: int, max_jump: int) -> bool:"