Add some personal obsidian configs

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/gui/obsidian/themes/minimal.nix

@@ -1,28 +0,0 @@
-{
-  pkgs ? import <nixpkgs> { },
-  ...
-}:
-let
-  version = "7.7.7";
-
-  css = builtins.fetchurl {
-    url = "https://github.com/kepano/obsidian-minimal/releases/download/${version}/theme.css";
-    sha256 = "sha256:1j7w6dsl20fbpzy9ldplf658qhg5ka1bkd2a8ac9q4n15lbqnp3a";
-  };
-in
-pkgs.stdenv.mkDerivation {
-  name = "obsidian.themes.minimal";
-
-  src = builtins.fetchurl {
-    url = "https://github.com/kepano/obsidian-minimal/releases/download/${version}/manifest.json";
-    sha256 = "sha256:1hcp8kpzkb2hdj520mqdaar9dh0fcaqwcgji7dd1ws37yzw44kc5";
-  };
-
-  phases = [ "installPhase" ];
-
-  installPhase = ''
-    mkdir -p $out
-    cp $src $out/manifest.json
-    cp ${css} $out/theme.css
-  '';
-}

hosts/common/user/configs/gui/obsidian/themes/minimal/default.nix

@@ -0,0 +1,30 @@
+{
+  pkgs ? import <nixpkgs> { },
+  ...
+}:
+pkgs.buildNpmPackage rec {
+  pname = "obsidian.themes.minimal";
+  version = "7.7.7";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "kepano";
+    repo = "obsidian-minimal";
+    rev = "${version}";
+    hash = "sha256-Atb9ZVou4EkfppV7VvTEMG/UruKlADctbXL1M8vvhxQ=";
+  };
+
+  npmDepsHash = "sha256-PzsZv/On8ci6EkF3WE4aez3/jQu5AqyJxFUzJk+Pn0c=";
+  npmPackFlags = [ "--ignore-scripts" ];
+
+  nativeBuildInputs = with pkgs; [ sass ];
+
+  buildPhase = ''
+    npx grunt cssmin
+  '';
+
+  installPhase = ''
+    mkdir -p $out
+    cp ./manifest.json $out/manifest.json
+    cp ./theme.css $out/theme.css
+  '';
+}