feat: add github copilot support

nvim/init.lua

@@ -0,0 +1,19 @@
+-- Plugin copilot-chat settings.
+
+require("CopilotChat").setup {
+  debug = true, -- Enable debugging
+  -- See Configuration section for rest
+  window = {
+    layout = 'vertical', -- 'vertical', 'horizontal', 'float', 'replace'
+    width = 0.4,         -- fractional width of parent, or absolute width in columns when > 1
+    height = 0.5,        -- fractional height of parent, or absolute height in rows when > 1
+  },
+  mappings = {
+    -- Fix a conflict between CopilotChat and how it takes control of the <TAB>
+    -- key from coc.nvim & cmp-nvim.
+    complete = {
+      detail = 'Use @<Tab> or /<Tab> for options.',
+      insert = '<C-Tab>',
+    }
+  }
+}

nvim/init.vim

@@ -219,6 +219,12 @@ Plug 'honza/vim-snippets'
 Plug 'tpope/vim-repeat'
 Plug 'machakann/vim-sandwich'
 
+"-- Copilot ---
+Plug 'github/copilot.vim'
+Plug 'zbirenbaum/copilot.lua'
+Plug 'nvim-lua/plenary.nvim'
+Plug 'CopilotC-Nvim/CopilotChat.nvim', { 'branch': 'canary' }
+
 " --- Markdown / Writting ---
 Plug 'iamcco/markdown-preview.nvim', {'do': 'cd app && yarn install'}
 Plug 'dhruvasagar/vim-table-mode'
@@ -636,6 +642,20 @@ nmap <silent> <leader>tv :TestVisit<CR>
 let g:leetcode_browser = 'chrome'
 let g:leetcode_solution_filetype = 'python3'
 
+" Plugin copilot-chat settings.
+nmap <silent> <leader><leader>p :CopilotChatToggle<CR>
+nmap <silent> <leader><leader>x :CopilotChatClose<CR>
+nmap <silent> <leader><leader>s :CopilotChatStop<CR>
+nmap <silent> <leader><leader>r :CopilotChatReset<CR>
+nmap <silent> <leader><leader>f :CopilotChatFix<CR>
+nmap <silent> <leader><leader>F :CopilotChatFixDiagnostic<CR>
+nmap <silent> <leader><leader>e :CopilotChatExplain<CR>
+nmap <silent> <leader><leader>v :CopilotChatReview<CR>
+nmap <silent> <leader><leader>o :CopilotChatOptimize<CR>
+nmap <silent> <leader><leader>c :CopilotChatCommit<CR>
+nmap <silent> <leader><leader>d :CopilotChatDocs<CR>
+nmap <silent> <leader><leader>t :CopilotChatTests<CR>
+
 " syntax highlight
 syntax enable