Add <leader>command for most F-num keys

.vimrc

@@ -32,6 +32,8 @@ Plug 'preservim/nerdcommenter'
 if exists('g:vscode')
     " VSCode extension
 else
+    " Bracketed paste, automatically enters paste mode
+    Plug 'ConradIrwin/vim-bracketed-paste'
     " ordinary neovim
     " NERDTree file browser
     "Plug 'scrooloose/nerdtree'
@@ -176,6 +178,7 @@ let g:airline_theme='papercolor'
 let g:auto_save = 1  " enable AutoSave on Vim startup
 
 map <F4> :AutoSaveToggle<CR>
+map <leader>as :AutoSaveToggle<CR>
 
 if exists('g:vscode')
     " VSCode extension
@@ -467,12 +470,13 @@ set list
 set listchars=tab:>.,trail:.,extends:#,nbsp:.
 
 " Do :set paste and revert with one easy button:
-set pastetoggle=<F2>
+set pastetoggle=<leader>pt
 
 " Taglist toggle
 "nnoremap <silent> <F8> :TlistToggle<CR>
 " Tagbar toggle
 nmap <F8> :TagbarToggle<CR>
+nmap <leader>tb :TagbarToggle<CR>
 
 " CTRL + \ Open definition in new tab
 " ALT + ] open the definition in a vertical split
@@ -608,6 +612,7 @@ nnoremap <leader>sty :%!astyle --style=allman --add-brackets --max-code-length=1
 
 " Map undotree to F5
 nnoremap <F5> :UndotreeToggle<cr>
+nnoremap <leader>ut :UndotreeToggle<cr>
 
 "When you forgot to sudo, do w!!
 cmap w!! w !sudo tee % >/dev/null
@@ -648,6 +653,8 @@ set encoding=UTF-8
 
 " Make F3 retur the number of printed words in latex
 map <F3> :w !detex \| wc -w<CR>
+map <leader>wc :w !detex \| wc -w<CR>
+
 " Disables the auto-conceal which makes things into subscripts
 " parses greek-alphabet etc
 let g:tex_conceal = ""
@@ -807,13 +814,17 @@ let g:rustfmt_options = "--config merge_derives=false,tab_spaces=4,use_field_ini
 
 " Run rustfmt on keypress
 nmap <F9> :RustFmt<CR>
+nmap <leader>rf :RustFmt<CR>
 
 " Run RustPlay on keypress
 "nmap <F10> :RustPlay<CR>
 
 " Run cargo build on keypress
 nmap <F10> :!cargo check --features unproven,same51j-rt<CR>
+nmap <leader>rc :!cargo check --features unproven,same51j-rt<CR>
 nmap <F11> :!cargo build --release<CR>
+nmap <leader>rb :!cargo build --features unproven,same51j-rt<CR>
+nmap <leader>rbr :!cargo buildi --release<CR>
 
 " Coc LSP setup
 " Coc BEGIN