feat: allow having nice links without .html

applications/skynet.ie/wiki.nix

@@ -41,6 +41,15 @@ in {
           forceSSL = true;
           useACMEHost = "skynet";
           root = "${inputs.skynet_website_renew.defaultPackage."x86_64-linux"}/wiki";
+          # https://stackoverflow.com/a/38238001/11964934
+          extraConfig = ''
+            location / {
+              if ($request_uri ~ ^/(.*)\.html) {
+                return 302 /$1;
+              }
+              try_files $uri $uri.html $uri/ =404;
+            }
+          '';
         };
 
         # redirect old links to the new wiki