cinny: use .patch instead of whole repo

hosts/best/cinny/default.nix

@@ -0,0 +1,70 @@
+{ config, lib, pkgs, ... }: let
+  inherit (lib) flip merge;
+  inherit (lib.strings) toJSON;
+
+  fqdn = "cinny.rgbcu.be";
+  root = pkgs.cinny;
+
+  cinnyConfig = {
+    allowCustomHomeservers = false;
+    homeserverList         = [ "rgbcu.be" ];
+    defaultHomeserver      = 0;
+
+    hashRouter = {
+      enabled  = false;
+      basename = "/";
+    };
+
+    featuredCommunities = {
+      openAsDefault = false;
+
+      servers = [
+        "rgbcu.be"
+        "matrix.org"
+        "privatevoid.net"
+        "notashelf.dev"
+        "outfoxxed.me"
+      ];
+
+      spaces = [
+        "#nixos-fallout:privatevoid.net"
+        "#ferronweb:matrix.org"
+      ];
+
+      rooms = [
+        "#ferronweb-general:matrix.org"
+        "#ferronweb-development:matrix.org"
+      ];
+    };
+  };
+in {
+  nixpkgs.overlays = [(self: super: {
+    cinny-unwrapped = super.cinny-unwrapped.overrideAttrs (old: {
+      patches = old.patches or [] ++ [
+        ./all-styles.patch
+      ];
+    });
+  })];
+
+  services.nginx.virtualHosts.${fqdn} = merge config.services.nginx.sslTemplate {
+    inherit root;
+
+    locations."= /config.json".extraConfig = /* nginx */ ''
+      default_type application/json;
+      return 200 '${toJSON cinnyConfig}';
+    '';
+
+    extraConfig = /* nginx */ ''
+      rewrite ^/config.json$ /config.json break;
+      rewrite ^/manifest.json$ /manifest.json break;
+
+      rewrite ^/sw.js$ /sw.js break;
+      rewrite ^/pdf.worker.min.js$ /pdf.worker.min.js break;
+
+      rewrite ^/public/(.*)$ /public/$1 break;
+      rewrite ^/assets/(.*)$ /assets/$1 break;
+
+      rewrite ^(.+)$ /index.html break;
+    '';
+  };
+}