Send heartbeats to api servers subdomain instead of root domain

src/components/Options.tsx

@@ -308,9 +308,9 @@ export default function Options(): JSX.Element {
                   className="form-control"
                   value={state.apiUrl}
                   onChange={(e) => setState({ ...state, apiUrl: e.target.value })}
-                  placeholder="https://wakatime.com/api/v1"
+                  placeholder="https://api.wakatime.com/api/v1"
                 />
-                <span className="help-block">https://wakatime.com/api/v1</span>
+                <span className="help-block">https://api.wakatime.com/api/v1</span>
               </div>
             </div>
 

src/config/config.test.ts

@@ -25,7 +25,7 @@ describe('wakatime config', () => {
           },
         },
         "apiKey": "",
-        "apiUrl": "https://wakatime.com/api/v1",
+        "apiUrl": "https://api.wakatime.com/api/v1",
         "colors": {
           "allGood": "",
           "lightTheme": "white",

src/config/config.ts

@@ -120,7 +120,7 @@ const config: Config = {
 
   apiKey: '',
 
-  apiUrl: process.env.API_URL ?? 'https://wakatime.com/api/v1',
+  apiUrl: process.env.API_URL ?? 'https://api.wakatime.com/api/v1',
 
   colors: {
     allGood: '',