Revert "remove cheatsheet.nvim for now"

This reverts commit f3fe3d46c8.

lua/plugins/configs/chadsheet.lua

@@ -0,0 +1,44 @@
+local present, chadsheet = pcall(require, "cheatsheet")
+
+if not present then
+   return
+end
+
+local mappings = require("core.utils").load_config().mappings
+
+-- add user mappings to the cheetsheet
+-- improve this function to not hardcode plugin
+local function add_to_chadsheet(section, keymap, desc)
+   if section == "plugin" then
+      for sec, key in pairs(mappings.plugin) do
+         add_to_chadsheet(sec, key, sec)
+      end
+   else
+      if type(keymap) == "table" then
+         for sec, key in pairs(keymap) do
+            if type(sec) == "number" then
+               add_to_chadsheet(section, key, desc or section)
+            else
+               add_to_chadsheet(sec, key, desc or section)
+            end
+         end
+      else
+         chadsheet.add_cheat(section, keymap, desc or "Misc")
+      end
+   end
+end
+
+for section, keymap in pairs(mappings) do
+   add_to_chadsheet(section, keymap)
+end
+
+require("cheatsheet").setup {
+
+   bundled_cheatsheets = {
+      enabled = { "default" },
+      disabled = { "unicode", "nerd-fonts" },
+   },
+
+   bundled_plugin_cheatsheets = false,
+   include_only_installed_plugins = true,
+}

lua/plugins/init.lua

@@ -272,7 +272,20 @@ return packer.startup(function()
    use {
       "nvim-telescope/telescope.nvim",
       cmd = "Telescope",
+      -- because cheatsheet is not activated by a teleacope command
+      module = "cheatsheet",
       requires = {
+         {
+            "sudormrfbin/cheatsheet.nvim",
+            disable = not plugin_status.cheatsheet,
+            after = "telescope.nvim",
+            config = function()
+               require "plugins.configs.chadsheet"
+            end,
+            setup = function()
+               require("core.mappings").chadsheet()
+            end,
+         },
          {
             "nvim-telescope/telescope-fzf-native.nvim",
             run = "make",