feat(ai): move ai related extras from coding to ai (#4751)

## Description

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maintainers
  why we should accept this pull request. -->

## Related Issue(s)

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  If this PR fixes any issues, please link to the issue here.
  - Fixes #<issue_number>
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## Screenshots

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## Checklist

- [ ] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

lua/lazyvim/plugins/extras/ai/copilot.lua

@@ -0,0 +1,125 @@
+return {
+  recommended = true,
+  -- copilot
+  {
+    "zbirenbaum/copilot.lua",
+    cmd = "Copilot",
+    build = ":Copilot auth",
+    opts = {
+      suggestion = { enabled = false },
+      panel = { enabled = false },
+      filetypes = {
+        markdown = true,
+        help = true,
+      },
+    },
+  },
+  {
+    "nvim-lualine/lualine.nvim",
+    optional = true,
+    event = "VeryLazy",
+    opts = function(_, opts)
+      local colors = {
+        [""] = LazyVim.ui.fg("Special"),
+        ["Normal"] = LazyVim.ui.fg("Special"),
+        ["Warning"] = LazyVim.ui.fg("DiagnosticError"),
+        ["InProgress"] = LazyVim.ui.fg("DiagnosticWarn"),
+      }
+      table.insert(opts.sections.lualine_x, 2, {
+        function()
+          local icon = LazyVim.config.icons.kinds.Copilot
+          local status = require("copilot.api").status.data
+          return icon .. (status.message or "")
+        end,
+        cond = function()
+          if not package.loaded["copilot"] then
+            return
+          end
+          local ok, clients = pcall(LazyVim.lsp.get_clients, { name = "copilot", bufnr = 0 })
+          if not ok then
+            return false
+          end
+          return ok and #clients > 0
+        end,
+        color = function()
+          if not package.loaded["copilot"] then
+            return
+          end
+          local status = require("copilot.api").status.data
+          return colors[status.status] or colors[""]
+        end,
+      })
+    end,
+  },
+
+  -- copilot cmp source
+  {
+    "nvim-cmp",
+    dependencies = {
+      {
+        "zbirenbaum/copilot-cmp",
+        dependencies = "copilot.lua",
+        opts = {},
+        config = function(_, opts)
+          local copilot_cmp = require("copilot_cmp")
+          copilot_cmp.setup(opts)
+          -- attach cmp source whenever copilot attaches
+          -- fixes lazy-loading issues with the copilot cmp source
+          LazyVim.lsp.on_attach(function(client)
+            copilot_cmp._on_insert_enter({})
+          end, "copilot")
+        end,
+      },
+    },
+    ---@param opts cmp.ConfigSchema
+    opts = function(_, opts)
+      table.insert(opts.sources, 1, {
+        name = "copilot",
+        group_index = 1,
+        priority = 100,
+      })
+    end,
+  },
+
+  {
+    "saghen/blink.cmp",
+    optional = true,
+    specs = {
+      {
+        "zbirenbaum/copilot.lua",
+        event = "InsertEnter",
+        opts = {
+          suggestion = {
+            enabled = true,
+            auto_trigger = true,
+            keymap = { accept = false },
+          },
+        },
+      },
+    },
+    opts = {
+      windows = {
+        ghost_text = {
+          enabled = false,
+        },
+      },
+      keymap = {
+        ["<Tab>"] = {
+          function(cmp)
+            if cmp.is_in_snippet() then
+              return cmp.accept()
+            elseif require("copilot.suggestion").is_visible() then
+              LazyVim.create_undo()
+              require("copilot.suggestion").accept()
+              return true
+            else
+              return cmp.select_and_accept()
+            end
+          end,
+          "snippet_forward",
+          "fallback",
+        },
+      },
+    },
+  },
+}