feat: add qwen3.6-plus model from alibaba coding plan (#48)

Add qwen3.6-plus model addition in Alibaba Coding Plan

providers/alibaba-coding-plan.toml

@@ -10,6 +10,19 @@ api_key_env = "ALIBABA_CODING_PLAN_API_KEY"
 base_url = "https://coding-intl.dashscope.aliyuncs.com/v1"
 key_required = true
 
+[[models]]
+id = "alibaba-coding-plan/qwen3.6-plus"
+display_name = "Qwen 3.6 Plus"
+tier = "smart"
+context_window = 1000000
+max_output_tokens = 65536
+input_cost_per_m = 0.0
+output_cost_per_m = 0.0
+supports_tools = true
+supports_vision = true
+supports_streaming = true
+aliases = []
+
 [[models]]
 id = "alibaba-coding-plan/qwen3.5-plus"
 display_name = "Qwen 3.5 Plus"