Update settings

lua/core/keys.lua

@@ -0,0 +1,23 @@
+local function map(mode, lhs, rhs)
+    vim.api.nvim_set_keymap(mode, lhs, rhs, {})
+end
+
+-- Buffer navigation
+map("n", "<Tab>", ":bnext<CR>")
+map("n", "<S-Tab>", ":bprevious<CR>")
+map("n", "<leader>x", ":bd!<CR>")
+
+-- Resize buffer splits
+map("n", "<S-Left>", ":vertical resize +3<CR>")
+map("n", "<S-Right>", ":vertical resize -3<CR>")
+map("n", "<S-Down>", ":horizontal resize +3<CR>")
+map("n", "<S-Up>", ":horizontal resize -3<CR>")
+
+-- Netrw
+map("n", "<C-n>", ":Exp<CR>")
+
+-- Remove highlights
+map("n", "<leader>h", ":noh<CR>")
+
+-- Replace (visual)
+map("v", "<leader>r", "\"hy:%s/<C-r>h//g<left><left>")