chore: enable incomplete-signature-doc, format nvt-min.lua, assorted formatting tidies (#2967)

* chore: luacheckrc uses table

* chore: format nvt-min.lua

* chore: complete lua doc

* chore: complete lua doc

* chore: complete lua doc

* chore: complete lua doc

* chore: complete lua doc

* chore: enable incomplete-signature-doc

* chore: enable incomplete-signature-doc

* chore: complete lua doc

* chore: complete lua doc

.github/ISSUE_TEMPLATE/nvt-min.lua

@@ -1,12 +1,12 @@
 vim.g.loaded_netrw = 1
 vim.g.loaded_netrwPlugin = 1
 
-vim.cmd [[set runtimepath=$VIMRUNTIME]]
-vim.cmd [[set packpath=/tmp/nvt-min/site]]
+vim.cmd([[set runtimepath=$VIMRUNTIME]])
+vim.cmd([[set packpath=/tmp/nvt-min/site]])
 local package_root = "/tmp/nvt-min/site/pack"
 local install_path = package_root .. "/packer/start/packer.nvim"
 local function load_plugins()
-  require("packer").startup {
+  require("packer").startup({
     {
       "wbthomason/packer.nvim",
       "nvim-tree/nvim-tree.lua",
@@ -18,21 +18,21 @@ local function load_plugins()
       compile_path = install_path .. "/plugin/packer_compiled.lua",
       display = { non_interactive = true },
     },
-  }
+  })
 end
 if vim.fn.isdirectory(install_path) == 0 then
-  print "Installing nvim-tree and dependencies."
-  vim.fn.system { "git", "clone", "--depth=1", "https://github.com/wbthomason/packer.nvim", install_path }
+  print("Installing nvim-tree and dependencies.")
+  vim.fn.system({ "git", "clone", "--depth=1", "https://github.com/wbthomason/packer.nvim", install_path })
 end
 load_plugins()
 require("packer").sync()
-vim.cmd [[autocmd User PackerComplete ++once echo "Ready!" | lua setup()]]
+vim.cmd([[autocmd User PackerComplete ++once echo "Ready!" | lua setup()]])
 vim.opt.termguicolors = true
 vim.opt.cursorline = true
 
 -- MODIFY NVIM-TREE SETTINGS THAT ARE _NECESSARY_ FOR REPRODUCING THE ISSUE
 _G.setup = function()
-  require("nvim-tree").setup {}
+  require("nvim-tree").setup({})
 end
 
 -- UNCOMMENT this block for diagnostics issues, substituting pattern and cmd as appropriate.