chore: move user config to home-manager

flake.lock

@@ -1,16 +1,37 @@
 {
   "nodes": {
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1758463745,
+        "narHash": "sha256-uhzsV0Q0I9j2y/rfweWeGif5AWe0MGrgZ/3TjpDYdGA=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "3b955f5f0a942f9f60cdc9cacb7844335d0f21c3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-25.05",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1763049705,
         "narHash": "sha256-A5LS0AJZ1yDPTa2fHxufZN++n8MCmtgrJDtxFxrH4S8=",
-        "owner": "NixOS",
+        "owner": "nixos",
         "repo": "nixpkgs",
         "rev": "3acb677ea67d4c6218f33de0db0955f116b7588c",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
+        "owner": "nixos",
         "ref": "nixos-25.05",
         "repo": "nixpkgs",
         "type": "github"
@@ -18,6 +39,7 @@
     },
     "root": {
       "inputs": {
+        "home-manager": "home-manager",
         "nixpkgs": "nixpkgs"
       }
     }