chore(ErrorPage): make 500 error page more informative

{{cookiecutter.repo_name}}/{{cookiecutter.repo_name}}/templates/500.html

@@ -1 +1,13 @@
-<h1>Whoops!</h1>
+{% raw %}{% extends "base.html" %}
+
+{% block title %}Server Error{% endblock %}
+
+{% block content %}
+<h1>Ooops!!! 500</h1>
+
+<h3>Looks like something went wrong!</h3>
+
+<p>We track these errors automatically, but if the problem persists feel free to contact us. In the meantime, try refreshing.</p>
+{% endblock content %}
+
+{% endraw %}