Nvim restart (#9)

* chore(nvim): remove astronvim and configs

* feat(nvim): new, custom nvim configuration

config/nvim/lua/plugins/fold-preview.lua

@@ -0,0 +1,29 @@
+return {
+  "anuvyklack/fold-preview.nvim",
+  dependencies = { "anuvyklack/keymap-amend.nvim", "ray-x/lsp_signature.nvim" },
+  config = function()
+    local fp = require("fold-preview")
+    local map = require("fold-preview").mapping
+    local keymap = vim.keymap
+    keymap.amend = require("keymap-amend")
+
+    fp.setup({
+      default_keybindings = false,
+      -- another settings
+    })
+
+    keymap.amend("n", "K", function(original)
+      if not fp.show_preview() then original() end
+      -- or
+      -- if not fp.toggle_preview() then original() end
+      -- to close preview on second press on K.
+    end)
+    keymap.amend("n", "h", map.close_preview_open_fold)
+    keymap.amend("n", "l", map.close_preview_open_fold)
+    keymap.amend("n", "zo", map.close_preview)
+    keymap.amend("n", "zO", map.close_preview)
+    keymap.amend("n", "zc", map.close_preview_without_defer)
+    keymap.amend("n", "zR", map.close_preview)
+    keymap.amend("n", "zM", map.close_preview_without_defer)
+  end,
+}