fix: NvimTreeGit* should have their own colors (#53)

Author: cpea2506

lua/one_monokai/themes/groups.lua

@@ -277,11 +277,11 @@ function groups.get(colors, transparent)
         NvimTreeExecFile = { fg = colors.yellow, bold = true },
         NvimTreeFolderIcon = { fg = colors.yellow },
         NvimTreeFolderName = { link = "Directory" },
-        NvimTreeGitDeleted = { link = "DiffDelete" },
+        NvimTreeGitDeleted = { fg = colors.red },
         NvimTreeGitDirty = { fg = colors.pink },
         NvimTreeGitIgnored = { link = "Comment" },
         NvimTreeGitMerge = { fg = colors.purple },
-        NvimTreeGitNew = { link = "DiffAdd" },
+        NvimTreeGitNew = { fg = colors.green },
         NvimTreeGitRenamed = { fg = colors.pink },
         NvimTreeGitStaged = { fg = colors.green },
         NvimTreeImageFile = { fg = colors.purple, bold = true },