add 404 page (#311)

Arhell · web-flow · commit b06accdd4ae1 · 2020-08-18T00:13:12.000+03:00
diff --git a/404.html b/404.html
@@ -0,0 +1,12 @@
+---
+layout: bootstrap
+title: Page Not Found
+permalink: /404.html
+---
+
+<h1>Page not found.</h1>
+<p>Sorry – the page you're looking for doesn't exist.</p>
+<p>Perhaps you typed the URL incorrectly, or it may have moved.</p>
+<p><a href="/">Back To Home</a></p>
+
+
