Update a lot of options, simplify variables, replace options with tags

hosts/midas/services/nginx/default.nix

@@ -0,0 +1,6 @@
+{ ... }:
+{
+  imports = [ ./nixfox ];
+
+  services.nginx.enable = true;
+}

hosts/midas/services/nginx/nixfox/default.nix

@@ -0,0 +1,29 @@
+{ config, lib, ... }:
+{
+  services.nginx.virtualHosts = {
+    "www.nixfox.ca" = {
+      enableACME = true;
+      addSSL = true;
+      default = true;
+      root = "/var/www/landing-page";
+    };
+    "nixfox.ca" = {
+      enableACME = true;
+      addSSL = true;
+      globalRedirect = "www.nixfox.ca";
+      locations = {
+        "/.well-known/matrix/client".extraConfig = ''
+          default_type application/json;
+          return 200 '{
+            "m.homeserver": { "base_url": "https://matrix.nixfox.ca" },
+            "m.identity_server": { "base_url": "https://matrix.org" }
+          }';
+        '';
+        "/.well-known/matrix/server".extraConfig = ''
+          default_type application/json;
+          return 200 '{ "m.server": "matrix.nixfox.ca:443" }';
+        '';
+      };
+    };
+  };
+}