update docs + minor color tweak

Author: tanvirtin

README.md

@@ -8,6 +8,7 @@ Monokai Theme for Neovim with tree-sitter support
 - Monokai (monokai)
 - Monokai Pro (monokai_pro)
 - Monokai Soda (monokai_soda)
+- Monokai Ristretto (monokai_ristretto)
 
 ## Prerequisites
 
@@ -32,6 +33,7 @@ syntax on
 colorscheme monokai
 colorscheme monokai_pro
 colorscheme monokai_soda
+colorscheme monokai_ristretto
 ```
 
 In Lua:

lua/monokai.lua

@@ -89,7 +89,6 @@ M.soda = {
   diff_text = '#23324d',
 }
 
-
 M.ristretto = {
   name = 'monokai_ristretto',
   base0 = '#191515',
@@ -466,7 +465,7 @@ M.load_plugin_syntax = function(palette)
       fg = palette.purple,
     },
     TSConstructor = {
-      fg = palette.purple,
+      fg = palette.aqua,
     },
     TSConditional = {
       fg = palette.pink,