added LaTeX formatter

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/d10a9b16b2a3ee28433f3d1c603f4e9f1fecb8e1?narHash=sha256-AUc78Qv3sWir0hvbmfXoZ7Jzq9VVL97l%2BsP9Jgms%2BJU%3D' (2025-11-21)
  → 'github:nix-community/home-manager/125e40fa68b340aee9d474a46b540907e2537b5c?narHash=sha256-OnonWWGrUGPc3y1TES/RVCe4Gd75YgdU8aIp07Au4lc%3D' (2025-11-24)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/89c2b2330e733d6cdb5eae7b899326930c2c0648?narHash=sha256-Stk9ZYRkGrnnpyJ4eqt9eQtdFWRRIvMxpNRf4sIegnw%3D' (2025-11-17)
  → 'github:nixos/nixpkgs/050e09e091117c3d7328c7b2b7b577492c43c134?narHash=sha256-HzxeGVID5MChuCPESuC0dlQL1/scDKu%2BMmzoVBJxulM%3D' (2025-11-22)

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763748372,
-        "narHash": "sha256-AUc78Qv3sWir0hvbmfXoZ7Jzq9VVL97l+sP9Jgms+JU=",
+        "lastModified": 1764007004,
+        "narHash": "sha256-OnonWWGrUGPc3y1TES/RVCe4Gd75YgdU8aIp07Au4lc=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "d10a9b16b2a3ee28433f3d1c603f4e9f1fecb8e1",
+        "rev": "125e40fa68b340aee9d474a46b540907e2537b5c",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1763421233,
-        "narHash": "sha256-Stk9ZYRkGrnnpyJ4eqt9eQtdFWRRIvMxpNRf4sIegnw=",
+        "lastModified": 1763835633,
+        "narHash": "sha256-HzxeGVID5MChuCPESuC0dlQL1/scDKu+MmzoVBJxulM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "89c2b2330e733d6cdb5eae7b899326930c2c0648",
+        "rev": "050e09e091117c3d7328c7b2b7b577492c43c134",
         "type": "github"
       },
       "original": {

home.nix

@@ -111,6 +111,7 @@ in
     tor-browser
     handbrake
     libdvdcss # library for handbrake
+    tex-fmt
   ] ++ (if x11mode then [
     arandr
     flameshot