+ Package manager: paq-nvim

+ added `<leader>p` mapping for paq to:
    + install
    + update
    + clean

+ added plugins directory
    * but not `require`d by default

+ updated README w/ paq install info

lua/keymap/init.lua

@@ -267,6 +267,13 @@ end
 -- All layouts: Plugin Bindings
 --
 
+-- Package manager
+function pm_sync()
+    require('plugins')
+    cmd('PaqSync')
+end
+map('n', '<leader>p', ':lua pm_sync()<CR>', {noremap = true})
+
 -- LSP
 function lsp_shortcuts()
     local lsp_commands = {