modify lua init

nvim/lua/keymaps.lua

@@ -0,0 +1,41 @@
+local map = vim.api.nvim_set_keymap
+
+local noremap = function(ctx, keys, cmd, opts)
+    opts = opts or {}
+    opts['noremap'] = true
+    opts['silent'] = true
+    map(ctx, keys, cmd, opts)
+end
+
+local nnoremap = function(keys, cmd)
+    noremap('n', keys, cmd, nil)
+end
+local tnoremap = function(keys, cmd)
+    noremap('t', keys, cmd, nil)
+end
+local vnoremap = function(keys, cmd)
+    noremap('v', keys, cmd, nil)
+end
+
+-- For plugin-specific keymaps, see that plugin's file in lua/plugins/
+
+map('i', 'jj', '<Esc>', {})
+
+nnoremap('<Leader>q', ':bp|bd #<CR>')
+nnoremap('<Leader>w', ':w<CR>')
+nnoremap('<Leader>n', ':bn<CR>')
+nnoremap('<Leader>b', ':bp<CR>')
+
+nnoremap('<c-j>', '<c-w><c-j>')
+nnoremap('<c-k>', '<c-w><c-k>')
+nnoremap('<c-h>', '<c-w><c-h>')
+nnoremap('<c-l>', '<c-w><c-l>')
+
+tnoremap('<c-j>', '<c-\\><c-n><c-w><c-j>')
+tnoremap('<c-k>', '<c-\\><c-n><c-w><c-k>')
+tnoremap('<c-h>', '<c-\\><c-n><c-w><c-h>')
+tnoremap('<c-l>', '<c-\\><c-n><c-w><c-l>')
+tnoremap('<Esc>', '<c-\\><c-n>')
+
+vnoremap('J', ':m \'>+1<CR>gv=gv')
+vnoremap('K', ':m \'<-2<CR>gv=gv')