Add code companion plugin and configure it to use Copilot on all

accounts as that is promitted to use at work. Since it's using the
official Copilot plugin we can be sure that the token is using whatever
is authorized.

home/.config/nvim/lua/plugs/codecompanion.lua

@@ -0,0 +1,36 @@
+return {
+    "olimorris/codecompanion.nvim",
+    dependencies = {
+        "nvim-lua/plenary.nvim",
+        "nvim-treesitter/nvim-treesitter",
+        "hrsh7th/nvim-cmp",
+        { 'echasnovski/mini.diff',  version = false },
+        { "stevearc/dressing.nvim", opts = {} },
+    },
+    config = function()
+        require("codecompanion").setup({
+            strategies = {
+                chat = {
+                    adapter = "copilot",
+                },
+                inline = {
+                    adapter = "copilot",
+                },
+                agent = {
+                    adapter = "copilot",
+                },
+            },
+            adapters = {
+                copilot = function() return require("codecompanion.adapters").extend("copilot", {}) end,
+            },
+            display = {
+                diff = {
+                    provider = "mini_diff",
+                },
+            },
+            opts = {
+                log_level = "DEBUG",
+            },
+        })
+    end
+}

home/.config/nvim/lua/plugs/copilot.lua

@@ -1,4 +1,3 @@
 return {
     "github/copilot.vim",
-    event = "InsertEnter",
 }