Replace zsh with fish

Install nix-index and nix-index-database
Update flake inputs

flake.lock

@@ -154,11 +154,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1726730453,
-        "narHash": "sha256-Kdi7liMdbr1/uyMhMDl19O5b9LESxcnYgBRZblrJi9E=",
+        "lastModified": 1726775926,
+        "narHash": "sha256-5zShvCy9S4tuISFjNSjb+TWpPtORqPbRZ0XwbLbPLho=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "a31fe5ef162f2f963308289e6e27d37e3948a983",
+        "rev": "624fd86460e482017ed9c3c3c55a3758c06a4e7f",
         "type": "github"
       },
       "original": {
@@ -362,6 +362,26 @@
         "type": "github"
       }
     },
+    "nix-index-database": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1726449931,
+        "narHash": "sha256-1AX7MyYzP7sNgZiGF8jwehCCI75y2kBGwACeryJs+yE=",
+        "owner": "nix-community",
+        "repo": "nix-index-database",
+        "rev": "c1b0fa0bec5478185eae2fd3f39b9e906fc83995",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-index-database",
+        "type": "github"
+      }
+    },
     "nixos-artwork": {
       "flake": false,
       "locked": {
@@ -476,11 +496,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1726764615,
-        "narHash": "sha256-8cVUZZd9Z/bT0JIQy/hOPta2nhZjT2b6xW7xZhFMh1M=",
+        "lastModified": 1726775124,
+        "narHash": "sha256-10CcmbM/IoMRUDDg9K3ptHNsMUSjpDB//hYc8s/K9cM=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "4cec60b7d77b33f845c35fcd222376c0ea866a77",
+        "rev": "b8f61a42e5068cb93fac8a0267b4d4e88118bae4",
         "type": "github"
       },
       "original": {
@@ -525,6 +545,7 @@
         "disko": "disko",
         "home-manager": "home-manager",
         "lanzaboote": "lanzaboote",
+        "nix-index-database": "nix-index-database",
         "nixos-artwork": "nixos-artwork",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
@@ -595,15 +616,15 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1718122552,
-        "narHash": "sha256-A+dBkSwp8ssHKV/WyXb9uqIYrHBqHvtSedU24Lq9lqw=",
-        "owner": "danth",
+        "lastModified": 1726776484,
+        "narHash": "sha256-SPnk08RnllF8CD9Ndbe828Z1OmlviJ+ZJLsiT7V/+4A=",
+        "owner": "pizzapim",
         "repo": "stylix",
-        "rev": "e59d2c1725b237c362e4a62f5722f5b268d566c7",
+        "rev": "d444b97c5e691a2a468000c939119798e42b4f0f",
         "type": "github"
       },
       "original": {
-        "owner": "danth",
+        "owner": "pizzapim",
         "ref": "release-24.05",
         "repo": "stylix",
         "type": "github"