move api to /api/*

cmd/clitest/index.html

@@ -17,12 +17,12 @@
       function callback(responseBody, responseStatus) {
       }
       function draw(form) {
-        path = "/bal"
+        path = "/api/bal"
         query = "?x=y"
         Array.from(form.elements).forEach((input) => {
           query += "&" + input.name + "=" + input.value;
           if (input.name == "mode") {
-            path = "/" + input.value;
+            path = "/api/" + input.value;
           }
         });
         console.log(path, query);