Added updating blockchains button

src/main.rs

@@ -1,6 +1,6 @@
 #[macro_use] extern crate rocket;
 use rocket_dyn_templates::{context, Template};
-use blockchain_time::{BlockchainInfo, BlockchainSupported};
+use blockchain_time::{BlockchainInfo, BlockchainSupported, update_all_blockheights};
 
 #[get("/")]
 fn index() -> Template {
@@ -16,8 +16,15 @@ fn index() -> Template {
     Template::render("index", context)
 }
 
+#[get("/update_blockchains")]
+fn update_blockchains() -> Template {
+    update_all_blockheights();
+    Template::render("update_complete", context!{})
+}
+
 #[launch]
 fn rocket() -> _ {
-    rocket::build().mount("/", routes![index])
+    rocket::build().mount("/", routes![index, update_blockchains])
+//        .mount("/update_blockchains", routes![update_blockchains])
         .attach(Template::fairing())
 }