make codium nicer, disable some stuff

flake.lock

@@ -723,6 +723,32 @@
         "url": "https://git.lix.systems/lix-project/nixos-module"
       }
     },
+    "nil": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-overlay": [
+          "rust-overlay"
+        ]
+      },
+      "locked": {
+        "lastModified": 1732053863,
+        "narHash": "sha256-DCIVdlb81Fct2uwzbtnawLBC/U03U2hqx8trqTJB7WA=",
+        "owner": "oxalica",
+        "repo": "nil",
+        "rev": "2e24c9834e3bb5aa2a3701d3713b43a6fb106362",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "nil",
+        "type": "github"
+      }
+    },
     "niri": {
       "inputs": {
         "niri-stable": "niri-stable",
@@ -1249,6 +1275,7 @@
         "lanzaboote": "lanzaboote",
         "lix": "lix",
         "lix-module": "lix-module",
+        "nil": "nil",
         "niri": "niri",
         "nix-ld": "nix-ld",
         "nixpkgs": "nixpkgs_5",