added webmodules

src/webmodules/endpoints.rs

@@ -0,0 +1,8 @@
+use crate::{Endpoint, WebModulesResponse};
+use std::marker::PhantomData;
+
+pub const WEBMODULES_ENDPOINT: Endpoint<WebModulesResponse, ()> = Endpoint::Get {
+    url: "/api/3/webmodule",
+    auth: true,
+    _types: PhantomData,
+};