Add the initial version of the Vim help doc

README.md

@@ -1,13 +1,9 @@
 # Org-mode syntax highlighting for Vim
 
-This is a minimal [Org-mode](https://orgmode.org/) plugin for Vim. It provides
-only the absolute necessities (e.g. syntax highlighting, indentation, folding,
-etc.). The goal of this plugin is to replicate Vim's existing
-[Markdown](https://github.com/tpope/vim-markdown/) editing experience for
+Org.vim is a minimal [Org-mode](https://orgmode.org/) plugin for
+[Vim](https://www.vim.org/). It provides only the absolute necessities (e.g.
+syntax highlighting and folding) at a high standard.
+
+The main goal of this plugin is to replicate [Vim's default
+Markdown](https://github.com/tpope/vim-markdown/) editing experience for
 Org-mode files.
-
-**NOTE**: This plugin is still a work in progress.
-
-- **TODO**: test with other colorthemes
-- **TODO**: fix italics
-- **TODO**: fix spell checker