app: reorganize and add a page to change the password

app/src/components/router.rs

@@ -0,0 +1,24 @@
+use yew_router::{
+    components::{RouterAnchor, RouterButton},
+    Switch,
+};
+
+#[derive(Switch, Debug, Clone)]
+pub enum AppRoute {
+    #[to = "/login"]
+    Login,
+    #[to = "/users"]
+    ListUsers,
+    #[to = "/users/create"]
+    CreateUser,
+    #[to = "/user/{user_id}/password"]
+    ChangePassword(String),
+    #[to = "/user/{user_id}"]
+    UserDetails(String),
+    #[to = "/"]
+    Index,
+}
+
+pub type Link = RouterAnchor<AppRoute>;
+
+pub type NavButton = RouterButton<AppRoute>;