Two problems with prefixing with https://

- matches tries to match full string
- fromLiteral escapes regex chars
- rewritten with startsWith

app/src/main/java/eu/stuifzand/micropub/auth/WebSigninActivity.kt

@@ -20,7 +20,7 @@ class WebSigninActivity : AppCompatActivity() {
 
     fun startWebsignin(view: View) {
         val url = profileUrl.text.toString();
-        val me = if (!url.matches(Regex.fromLiteral("^https?://"))) "https://$url" else url
+        val me = if (url.startsWith("https://") || url.startsWith("http://")) url else "https://$url"
         val parcelable = intent.getParcelableExtra<AccountAuthenticatorResponse>(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE);
         WebsigninTask(this, parcelable).execute(me);
     }