feat: added compile time environment variable for setting the api url

this allows easy local testing

src/backend/mod.rs

@@ -39,20 +39,13 @@ pub struct Session {
 impl Default for Session {
     fn default() -> Self {
         Self {
-            base_url: "https://api.nerdcult.net".to_owned(),
+            base_url: option_env!("NC_API_URL").unwrap_or("https://api.nerdcult.net").to_string(),
             auth_token: get_auth_cookie(),
         }
     }
 }
 
 impl Session {
-    pub fn new(base_url: String) -> Self {
-        Self {
-            base_url,
-            auth_token: get_auth_cookie(),
-        }
-    }
-
     pub fn login(
         &self,
         username: String,

src/main.rs

@@ -43,7 +43,7 @@ pub struct Callbacks {
 #[function_component]
 fn App() -> Html {
     // let state = use_state(Session::default);
-    let state = use_state(|| Session::new("http://localhost:8080".to_string()));
+    let state = use_state(Session::default);
 
     let cloned_state = state.clone();
     let callbacks = use_state(move || Callbacks {