Update to neovim 0.9.0 and use lazy.nvim as plugin manager

Blazing fast startup times

Overhaul of plugins and mappings

Awesome neovim updated and improved for neovim 0.8.0

Update Neovim configurations to lua

Also replace vim plugins with their efficent lua alternatives
Vim                                         Neovim
'joshdick/onedark.vim'               "navarasu/onedark.nvim"
Vim Plug                              Paq
'scrooloose/nerdcommenter'            "numToStr/Comment.nvim"
'airblade/vim-gitgutter'              "lewis6991/gitsigns.nvim"
'Xuyuanp/nerdtree-git-plugin'         "kyazdani42/nvim-tree.lua"
'vim-airline/vim-airline'             "hoob3rt/lualine.nvim"
'sbdchd/neoformat'                    "jose-elias-alvarez/null-ls.nvim"
'junegunn/fzf'                        "nvim-telescope/telescope.nvim"
'iamcco/markdown-preview.nvim'        "ellisonleao/glow.nvim"
'vimwiki/vimwiki'                     "vhyrro/neorg"
'neoclide/coc.nvim'                   "neovim/nvim-lspconfig"
'scrooloose/syntastic'                "jose-elias-alvarez/null-ls.nvim"
'sheerun/vim-polyglot'                "nvim-treesitter/nvim-treesitter"
'liuchengxu/vista.vim'                "simrat39/symbols-outline.nvim"
'preservim/nerdtree'                  "kyazdani42/nvim-tree.lua"
'ryanoasis/vim-devicons'              "kyazdani42/nvim-web-devicons"

I have stop using some vim plugins so i didn't border to find their lua
alternative . And I have also started using some new lua plugins which I
didn't have when I was using vim. Compare the plugins.lua and plugins.vim file
of master and vim to see all the changes and difference.

Add plugin for pandoc's markdown syntax

First Release Of This Awesome Configuration For Vim and Neovim