nvim: Add any-jump

While this purpose can also be served by fzf the additional feature of
any-jump is that it shows definitions and usages, so helps to have more
context. Should also help us for languages we do not have any setup for
and might not want to use tags.

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

nvim/.config/nvim/init.vim

@@ -100,6 +100,7 @@ Plug 'liuchengxu/vim-which-key'
 Plug 'farmergreg/vim-lastplace'
 Plug 'ronakg/quickr-preview.vim'
 Plug 'voldikss/vim-floaterm'
+Plug 'pechorin/any-jump.nvim'
 
 " Initialize plugin system
 call plug#end()
@@ -362,6 +363,11 @@ vnoremap <Leader># :Tabularize /#-}<CR>
 vnoremap <Leader>: :Tabularize /::<CR>
 vnoremap <Leader>[ :Tabularize /[<CR>
 
+" Any jump
+nnoremap aj :AnyJump<CR>
+nnoremap ab :AnyJumpBack<CR>
+nnoremap al :AnyJumpLastResults<CR>
+
 command! -bang -nargs=* GGrep
   \ call fzf#vim#grep(
   \   'git grep --line-number '.shellescape(<q-args>), 0,
@@ -706,6 +712,8 @@ let g:floaterm_height        = 0.8
 let g:floaterm_winblend      = 0
 let g:floaterm_borderchars   = ['─', '│', '─', '│', '╭', '╮', '╯', '╰']
 
+let g:any_jump_disable_default_keybindings = v:true
+
 " ----------------------------- Functions ------------------------------------
 function! NvimGdbNoTKeymaps()
   tnoremap <silent> <buffer> <Esc> <C-\><C-n>