chore: add gnu parallel

This allows one to execute commands in [parallel][0].

[0]: https://www.gnu.org/software/parallel/

Dockerfile

@@ -59,6 +59,7 @@ RUN apt-get update \
     net-tools \
     openssh-client \
     openssl \
+    parallel \
     pkg-config \
     python3-openssl \
     sudo \

config/nvim/lua/custom/plugins/init.lua

@@ -96,10 +96,10 @@ return {
           local opts = { buffer = bufnr }
           vim.keymap.set('t', '<esc>', [[<C-\><C-n>]], opts)
           vim.keymap.set('t', 'jk', [[<C-\><C-n>]], opts)
-          vim.keymap.set('t', '<C-h>', [[<Cmd>wincmd h<CR>]], opts)
-          vim.keymap.set('t', '<C-j>', [[<Cmd>wincmd j<CR>]], opts)
-          vim.keymap.set('t', '<C-k>', [[<Cmd>wincmd k<CR>]], opts)
-          vim.keymap.set('t', '<C-l>', [[<Cmd>wincmd l<CR>]], opts)
+          vim.keymap.set('t', '<C-h>', [[<cmd>wincmd h<cr>]], opts)
+          vim.keymap.set('t', '<C-j>', [[<cmd>wincmd j<cr>]], opts)
+          vim.keymap.set('t', '<C-k>', [[<cmd>wincmd k<cr>]], opts)
+          vim.keymap.set('t', '<C-l>', [[<cmd>wincmd l<cr>]], opts)
           vim.keymap.set('t', '<C-w>', [[<C-\><C-n><C-w>]], opts)
         end
       })
@@ -109,5 +109,13 @@ return {
         { '<leader>mc', '<cmd>ToggleTermSendCurrentLine<cr>', desc = 'Send [c]urrent line under the cursor', noremap = true }
       }
     end
-  }
+  },
+  {
+    'stevearc/oil.nvim',
+    dependencies = { "nvim-tree/nvim-web-devicons" },
+    keys = {
+      { '-', '<cmd>Oil<cr>', desc = "Open parent directory" },
+    },
+    opts = {},
+  },
 }