fix issues page url (#352)

* fix issues page url

src/invidious.cr

@@ -3950,14 +3950,13 @@ end
 
 error 500 do |env|
   error_message = <<-END_HTML
-  Looks like you've found a bug in Invidious. Feel free to open a new issue 
-  <a href="https://github.com/omarroth/invidious/issues/github.com/omarroth/invidious">
+  Looks like you've found a bug in Invidious. Feel free to open a new issue
+  <a href="https://github.com/omarroth/invidious/issues">
     here
   </a>
   or send an email to 
   <a href="mailto:omarroth@protonmail.com">
-    omarroth@protonmail.com
-  </a>.
+    omarroth@protonmail.com</a>.
   END_HTML
   templated "error"
 end