Some tweaks to lsp config

Now uses ccls instead of clang for c language server. Seems better at
jumping to definition.

Also adds <leader k> to open man page since shift k is now overwritten
with the popup for the declaration that lsp provides

nvim/.config/nvim/after/plugin/lsp.vim

@@ -9,7 +9,7 @@ lua <<EOF
 	-- Bash Language Server
 	require'lspconfig'.bashls.setup{}
 	-- Clang Language Server
-	require'lspconfig'.clangd.setup{}
+	require'lspconfig'.ccls.setup{}
 	-- Go Language Server
 	require'lspconfig'.gopls.setup{}
 	-- Python Language Server
@@ -20,10 +20,11 @@ lua <<EOF
 	require'lspconfig'.vuels.setup{}
 EOF
 function! s:ConfigureBuffer()
-	nnoremap <buffer> <silent> <c-]> <cmd>lua vim.lsp.buf.definition()<CR>
+	nnoremap <buffer> <silent> gd <cmd>lua vim.lsp.buf.definition()<CR>
     nnoremap <buffer> <silent> <Leader>ld <cmd>lua vim.diagnostic.open_float()<CR>
 	nnoremap <buffer> <silent> K <cmd>lua vim.lsp.buf.hover()<CR>
-	nnoremap <buffer> <silent> gd <cmd>lua vim.lsp.buf.declaration()<CR>
+	nnoremap <buffer> <silent> <leader>k K
+	nnoremap <buffer> <silent> <c-]> <cmd>lua vim.lsp.buf.declaration()<CR>
 endfunction
 if has('autocmd')
 	augroup JHLanguageClientAutocmds