nvim: add unstable version of copilot lua

flake.lock

@@ -82,6 +82,22 @@
         "type": "github"
       }
     },
+    "copilot-lua": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1677479736,
+        "narHash": "sha256-n/SCrzzzL5WUHJk0sCXbgGusk/dQuy8DI9Pqdh+lVeQ=",
+        "owner": "zbirenbaum",
+        "repo": "copilot.lua",
+        "rev": "b41d4c9c7d4f5e0272bcf94061b88e244904c56f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zbirenbaum",
+        "repo": "copilot.lua",
+        "type": "github"
+      }
+    },
     "crane": {
       "inputs": {
         "flake-compat": [
@@ -813,6 +829,7 @@
         "arkenfox-userjs": "arkenfox-userjs",
         "asus-touchpad-numpad-driver": "asus-touchpad-numpad-driver",
         "attic": "attic",
+        "copilot-lua": "copilot-lua",
         "emacs": "emacs",
         "flake-utils": "flake-utils_3",
         "forgit-git": "forgit-git",