Add more vim mappings

home/.config/nvim/rc/mappings.vim

@@ -1,3 +1,38 @@
+" Unmap arrow keys in normal mode to remove bad habits
+nnoremap <Down> <nop>
+nnoremap <Left> <nop>
+nnoremap <Right> <nop>
+nnoremap <Up> <nop>
+
+" Stop search highlight on esc (until next search)
+map <silent> <esc> :noh<CR>
+
+" System clipboard interactions
+map <C-c> "+y
+vnoremap <C-v> "+p
+
+" Spell-check set to <leader>o, 'o' for 'orthography'
+map <leader>o :setlocal spell! spelllang=en_US<CR>
+
+" Use shift to move 10 lines up/down quickly
+noremap <silent> K 10k
+noremap <silent> J 10j
+
+" Tab navigation
+nnoremap <Tab> gt
+nnoremap <S-Tab> gT
+nnoremap <silent> <A-t> :tabnew<CR>
+nnoremap <silent> <A-2> :tabmove +<CR>
+nnoremap <silent> <A-1> :tabmove -<CR>
+nnoremap <A-p> :tabp<CR>
+nnoremap <A-n> :tabn<CR>
+
+" Alias replace all
+nnoremap <A-s> :%s//gI<Left><Left><Left>
+
+" Save file as sudo when no write permissions
+cmap w!! w !sudo tee > /dev/null %
+
 " Remap splits navigation to just CTRL + hjkl
 nnoremap <C-h> <C-w>h
 nnoremap <C-j> <C-w>j
@@ -10,23 +45,3 @@ noremap <silent> <C-Right> :vertical resize -3<CR>
 noremap <silent> <C-Up> :resize +3<CR>
 noremap <silent> <C-Down> :resize -3<CR>
 
-" Spell-check set to <leader>o, 'o' for 'orthography'
-map <leader>o :setlocal spell! spelllang=en_US<CR>
-
-" Stop search highlight (until next search)
-map <silent> <esc> :noh<CR>
-
-" System clipboard interactions
-map <C-c> "+y
-vnoremap <C-v> "+p
-
-" Unmap arrow keys in normal mode to remove bad habits
-nnoremap <Down> <nop>
-nnoremap <Left> <nop>
-nnoremap <Right> <nop>
-nnoremap <Up> <nop>
-
-" Use shift to move 10 lines up/down quickly
-noremap <silent> K 10k
-noremap <silent> J 10j
-