feat(plugins): Add nvim-dap and overseer

Added:
  - [nvim-dap](https://github.com/mfussenegger/nvim-dap)
  - [nvim-dap-ui](https://github.com/rcarriga/nvim-dap-ui)
  - [overseer.nvim](https://github.com/stevearc/overseer.nvim)
Removed:
  - NeoTree `<leader>o` keymap (it's now used for overseer)

nvim/plugin/overseer.lua

@@ -0,0 +1,28 @@
+if vim.g.did_load_overseer_plugin then
+  return
+end
+vim.g.did_load_overseer_plugin = true
+
+require("which-key").add({
+  { "<leader>o", group = "[o]verseer", icon = "" },
+  { "<leader>ot", "<Cmd>OverseerToggle<CR>", desc = "[o]verseer: [t]oggle " },
+  { "<leader>oc",  "<Cmd>OverseerRunCmd<CR>", desc = "[o]verseer: run [c]ommand" },
+  { "<leader>or", "<Cmd>OverseerRun<CR>", desc = "[o]verseer: [r]un task" },
+  { "<leader>oq", "<Cmd>OverseerQuickAction<CR>", desc = "[o]verseer: [q]uick action" },
+  { "<leader>oa", "<Cmd>OverseerTaskAction<CR>", desc = "[o]verseer: task [a]ction" },
+  { "<leader>oi", "<Cmd>OverseerInfo<CR>", desc = "[o]verseer: [i]nfo" },
+})
+
+local root_files = {
+  '.vscode',
+  '.git',
+}
+
+if require('user.file_exists').file_exists(vim.fs.dirname(vim.fs.find(root_files, { upward = true })[1]) .. "/.vscode/tasks.json") then
+  require('overseer').setup({
+    strategy = {
+      "toggleterm",
+      quit_on_exit = "success",
+    },
+  })
+end