nvim: init.vim: Add syntax highlighting for Jenkins & Lua

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

nvim/.config/nvim/init.vim

@@ -94,12 +94,15 @@ Plug 'lervag/vimtex'
 " Dhall & nix
 Plug 'vmchale/dhall-vim'
 Plug 'LnL7/vim-nix'
+" Lua
+Plug 'wsdjeg/vim-lua'
 " Other syntax highlighting support
 Plug 'georgewitteman/vim-fish'
 Plug 'elzr/vim-json'
 Plug 'lifepillar/pgsql.vim'
 Plug 'plasticboy/vim-markdown'
 Plug 'mtdl9/vim-log-highlighting'
+Plug 'martinda/Jenkinsfile-vim-syntax'
 
 call plug#end()