pkgs: add scls && bump spotify player

pkgs/overlays.nix

@@ -7,17 +7,17 @@
       (final: prev: {
         spotify-player = prev.spotify-player.overrideAttrs (old: rec {
           pname = "spotify-player";
-          version = "0.18.1";
+          version = "0.18.2";
           src = prev.fetchFromGitHub {
             owner = "aome510";
             repo = pname;
             rev = "refs/tags/v${version}";
-            hash = "sha256-3nPESnBWaxWjWMvRG7gbXt8FzuPlx2soOonCKom+tzA=";
+            hash = "sha256-bLUPQgqSsE9tF5YiFj5B+Ylyy96DhWFNjwqXbQ9H8uc=";
           };
           cargoDeps = old.cargoDeps.overrideAttrs (lib.const {
             name = "spotify-player.tar.gz";
             inherit src;
-            outputHash = "sha256-fzFWSPRPWYSiBzbW7OWODahckuzFahdt09V5WKC3Pmo=";
+            outputHash = "sha256-sBhQuU0HpyXOEUtKPZxoNxSp1d5nxuifcYCW7cCOgJI=";
           });
         });
       })

pkgs/scls/default.nix

@@ -0,0 +1,25 @@
+{
+  fetchFromGitHub,
+  rustPlatform,
+}:
+rustPlatform.buildRustPackage {
+  pname = "simple-completion-language-server";
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "estin";
+    repo = "simple-completion-language-server";
+    rev = "3edd6209fffd204d689fb3b0afb0e51ad90f0af2";
+    hash = "sha256-iccwhZhwYLxjhCLj8kRLqlL1F9TjZ57BogqlbKgCsKM=";
+  };
+
+  cargoHash = "sha256-nxLnlBfqcA64npPccuE00JxCLGi4eU9nWyU0PSVdKpE=";
+
+  doCheck = false;
+
+  meta = {
+    description = "Language server to enable word completion and snippets for Helix editor";
+    homepage = "https://github.com/estin/simple-completion-language-server";
+    mainProgram = "simple-completion-language-server";
+  };
+}