add vimwiki

also make other small improvements

nvim/init.vim

@@ -16,12 +16,15 @@ Plug 'christoomey/vim-tmux-navigator'
 Plug 'simeji/winresizer'
 
 " FILE MANAGEMENT
-" nert-tree
+" nerd-tree
 Plug 'scrooloose/nerdtree'
 
 " fzf plugin
 Plug 'junegunn/fzf.vim'
 
+" vimwiki
+Plug 'vimwiki/vimwiki'
+
 " GIT STUFF
 " git
 Plug 'tpope/vim-fugitive'
@@ -69,7 +72,9 @@ hi MatchParen guibg=NONE guifg=red gui=bold
 set number
 set clipboard=unnamed
 set mouse=nvi
-set smarttab
+" set smarttab
+set expandtab
+set tabstop=4
 set visualbell
 set virtualedit=block
 set scrolloff=1
@@ -119,6 +124,8 @@ autocmd BufWritePost init.vim source %
 cnoremap <C-p> <Up>
 cnoremap <C-n> <Down>
 
+nnoremap H ^
+
 " toggle hybrid number mode
 nnoremap <leader>h :set rnu!<CR>
 :augroup numbertoggle
@@ -151,6 +158,9 @@ if !exists('bclose_multiple')
   let bclose_multiple = 1
 endif
 
+" make all tabs to spaces
+nnoremap <silent> <leader>i :set expandtab<CR>:retab<CR>
+
 " Display an error message.
 function! s:Warn(msg)
   echohl ErrorMsg
@@ -252,6 +262,9 @@ nmap <C-y> :Buffers<CR>
 nmap <Leader>f :GFiles<CR>
 let g:fzf_buffers_jump = 1
 
+" Vimwiki setup
+let g:vimwiki_list = [{'path': '~/.wiki/'}]
+
 " vimtex setup
 let g:vimtex_compile_progname = 'nvr'