add first commit

workers/example/count.toml

@@ -0,0 +1,6 @@
+# count.toml
+[GET]
+summary = "Get visit count and increment"
+docstring = "Increments a counter and returns current value"
+params = []   # 无参数
+response_model = { name = { type = "str", required = true }, value = { type = "int", required = true } }