Zig: add dependencies for zig devshell

flake.lock

@@ -285,6 +285,22 @@
         "type": "github"
       }
     },
+    "flake-compat_6": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": [
@@ -344,6 +360,24 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_4"
+      },
+      "locked": {
+        "lastModified": 1705309234,
+        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "git-hooks": {
       "inputs": {
         "flake-compat": [
@@ -413,6 +447,27 @@
         "type": "github"
       }
     },
+    "gitignore_3": {
+      "inputs": {
+        "nixpkgs": [
+          "zls",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "gpg-base-conf": {
       "flake": false,
       "locked": {
@@ -1409,7 +1464,9 @@
         "snowfall-lib": "snowfall-lib",
         "sops-nix": "sops-nix",
         "tuya-vaccum-maps": "tuya-vaccum-maps",
-        "zen-browser": "zen-browser"
+        "zen-browser": "zen-browser",
+        "zig-overlay": "zig-overlay",
+        "zls": "zls"
       }
     },
     "rpi-bluez-firmware-src": {
@@ -1676,6 +1733,21 @@
         "type": "github"
       }
     },
+    "systems_4": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "tuya-vaccum-maps": {
       "flake": false,
       "locked": {
@@ -1764,6 +1836,52 @@
         "repo": "zen-browser-flake",
         "type": "github"
       }
+    },
+    "zig-overlay": {
+      "inputs": {
+        "flake-compat": "flake-compat_6",
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749602114,
+        "narHash": "sha256-W06p/DrW5Z80Ii16g5AMmxu5iPiDlC//0Ac8QWTbEQc=",
+        "owner": "mitchellh",
+        "repo": "zig-overlay",
+        "rev": "ccf113344bd0ad2231cae526566d81b10a698c39",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mitchellh",
+        "repo": "zig-overlay",
+        "type": "github"
+      }
+    },
+    "zls": {
+      "inputs": {
+        "gitignore": "gitignore_3",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "zig-overlay": [
+          "zig-overlay"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749606427,
+        "narHash": "sha256-kLiowPmyi7kiyExYAdLrlYHPMkLG3d1K+1SoMqvU7WI=",
+        "owner": "zigtools",
+        "repo": "zls",
+        "rev": "4acbe890df5ab064c097ad88f065f86741ae3712",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zigtools",
+        "repo": "zls",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -91,6 +91,18 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    # zig
+    zig-overlay = {
+      url = "github:mitchellh/zig-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    zls = {
+      url = "github:zigtools/zls";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.zig-overlay.follows = "zig-overlay";
+    };
+
     # rust
     fenix = {
       url = "github:nix-community/fenix";
@@ -125,6 +137,7 @@
       overlays = with inputs; [
         hyprpanel.overlay
         devenv.overlays.default
+        zig-overlay.overlays.default
       ];
 
       homes.modules = with inputs; [