feat(colorscheme): add palenight.nvim colorscheme (#1285)

Add palenight.nvim colorscheme

Author: alexandregv

lua/astrocommunity/colorscheme/palenight-nvim/README.md

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+# palenight.nvim
+
+Palenight.nvim is a fast and modern colorscheme that supports the new Neovim features like builtin LSP and Treesitter and several plugins 
+
+**Repository:** <https://github.com/wilmanbarrios/palenight.nvim>

lua/astrocommunity/colorscheme/palenight-nvim/init.lua

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+return { "wilmanbarrios/palenight.nvim", lazy = true }