feat: integrate spicetify-nix for Spotify customization, add steam and add hyprlock configuration

flake.lock

@@ -94,7 +94,7 @@
     },
     "flake-utils": {
       "inputs": {
-        "systems": "systems_2"
+        "systems": "systems_3"
       },
       "locked": {
         "lastModified": 1731533236,
@@ -447,6 +447,22 @@
       }
     },
     "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1762363567,
+        "narHash": "sha256-YRqMDEtSMbitIMj+JLpheSz0pwEr0Rmy5mC7myl17xs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ae814fd3904b621d8ab97418f1d0f2eb0d3716f4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1759036355,
         "narHash": "sha256-0m27AKv6ka+q270dw48KflE0LwQYrO7Fm4/2//KCVWg=",
@@ -492,9 +508,29 @@
         "home-manager": "home-manager",
         "hyprland": "hyprland",
         "nixpkgs": "nixpkgs_2",
+        "spicetify-nix": "spicetify-nix",
         "vicinae": "vicinae"
       }
     },
+    "spicetify-nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_3",
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1762718300,
+        "narHash": "sha256-oOQimZTaV1jCw0OBmmK2g7Rdj3E8YGVpkJYD32BWKRQ=",
+        "owner": "Gerg-L",
+        "repo": "spicetify-nix",
+        "rev": "c7175bd485ed5052df5075fcdde395b631316e94",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Gerg-L",
+        "repo": "spicetify-nix",
+        "type": "github"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1689347949,
@@ -525,10 +561,25 @@
         "type": "github"
       }
     },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "vicinae": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_3"
+        "nixpkgs": "nixpkgs_4"
       },
       "locked": {
         "lastModified": 1761603305,