refactor(nvim): move treesitter stuff to its own file

common/home/neovim/plugins/treesitter.vim

@@ -1,21 +0,0 @@
-lua << EOF
-
-require('nvim-treesitter.configs').setup({
-  highlight = { enable = true },
-  indent = { enable = true },
-})
-
-require('treesitter-context').setup({
-  enable = true,
-  max_lines = 3,
-  min_window_height = 20,
-})
-
-vim.filetype.add({
-  pattern = { [".*/hypr/.*%.conf"] = "hyprlang" },
-})
-
-EOF
-
-" Add line under context
-hi TreesitterContextBottom gui=underline guisp=Grey