update: system update & refactor

# Breaking Changes
- sops location movod to "system/dev/<dev-name>/sops/sops-conf.nix"
- flake devices declaration changes
- whole flake update

system/dev/dn-server/nginx.nix

@@ -1,77 +0,0 @@
-{
-  config,
-  ...
-}:
-{
-  security.acme = {
-    acceptTerms = true;
-    defaults = {
-      validMinDays = 2;
-      server = "https://10.0.0.1:${toString config.services.step-ca.port}/acme/acme/directory";
-      renewInterval = "daily";
-      email = "danny@net.dn";
-      dnsProvider = "pdns";
-      dnsPropagationCheck = false;
-      environmentFile = config.sops.secrets."acme/env".path;
-    };
-  };
-
-  users.users.nginx.extraGroups = [ "acme" ];
-
-  services.nginx = {
-    enable = true;
-    enableReload = true;
-    recommendedGzipSettings = true;
-    recommendedOptimisation = true;
-    recommendedTlsSettings = true;
-    recommendedProxySettings = true;
-
-    virtualHosts = {
-      "files.${config.networking.domain}" = {
-        enableACME = true;
-        forceSSL = true;
-
-        root = "/var/www/files";
-        locations."/" = {
-          extraConfig = ''
-            autoindex on;
-            autoindex_exact_size off;
-            autoindex_localtime on;
-          '';
-        };
-
-        extraConfig = ''
-          types {
-            image/png png;
-            image/jpeg jpg jpeg;
-            image/gif gif;
-          }
-        '';
-      };
-
-      "webcam.net.dn" = {
-        enableACME = true;
-        forceSSL = true;
-
-        locations."/ws/" = {
-          proxyPass = "http://10.0.0.130:8080/";
-          extraConfig = ''
-            proxy_http_version 1.1;
-            proxy_set_header Upgrade $http_upgrade;
-            proxy_set_header Connection "upgrade";
-          '';
-        };
-
-        locations."/".proxyPass = "http://10.0.0.130:8001/phone.html";
-      };
-
-      "ca.net.dn" = {
-        enableACME = true;
-        forceSSL = true;
-        locations."/" = {
-          proxyPass = "https://10.0.0.1:8443/";
-        };
-      };
-    };
-  };
-}