feat(opencode): add qwen3 model

home/dot_config/opencode/opencode.json

@@ -15,6 +15,9 @@
         },
         "hf.co/unsloth/Qwen3-4B-Instruct-2507-GGUF:Q3_K_M": {
           "name": "Qwen3 4b"
+        },
+        "qwen3-coder-next:latest": {
+          "name": "Qwen3 Coder Next"
 	}
       }
     }