added zsh syntax highlighting

flake.lock

@@ -107,7 +107,8 @@
         "picom": "picom",
         "unstable": "unstable",
         "utils": "utils",
-        "zsh-autosuggestions": "zsh-autosuggestions"
+        "zsh-autosuggestions": "zsh-autosuggestions",
+        "zsh-syntax-highlighting": "zsh-syntax-highlighting"
       }
     },
     "unstable": {
@@ -160,6 +161,22 @@
         "repo": "zsh-autosuggestions",
         "type": "github"
       }
+    },
+    "zsh-syntax-highlighting": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1629459010,
+        "narHash": "sha256-m+gKQXNRYTpraWDXVMTU6UPJFivcyhOw3dNofFR4cyU=",
+        "owner": "zsh-users",
+        "repo": "zsh-syntax-highlighting",
+        "rev": "6e0e950154a4c6983d9e077ed052298ad9126144",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zsh-users",
+        "repo": "zsh-syntax-highlighting",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -21,6 +21,10 @@
       url = "github:zsh-users/zsh-autosuggestions";
       flake = false;
     };
+    zsh-syntax-highlighting = {
+      url = "github:zsh-users/zsh-syntax-highlighting";
+      flake = false;
+    };
   };
 
   outputs = inputs@{ self, utils, home-manager, nixpkgs, ...}:

modules/zsh.nix

@@ -20,12 +20,7 @@ let
                     }
                     {
                       name = "zsh-syntax-highlighting";
-                      src = pkgs.fetchFromGitHub {
+                      src = inputs.zsh-syntax-highlighting;
-                        owner = "zsh-users";
-                        repo = "zsh-syntax-highlighting";
-                        rev = "0e1bb14452e3fc66dcc81531212e1061e02c1a61";
-                        sha256 = "09ncmyqlk9a3h470z0wgbkrznb5zyc9dj96011wm89rdxc1irxk2";
-                      };
                     }
         ];
       };