doc(picker): add docs for added actions

Change-Id: I8dffb8bf7cfd5eae41522840a12d0d91af8dc9ed

README.md

@@ -263,6 +263,8 @@ Many familiar mapping patterns are set up as defaults.
 | `<C-q>` | Send all items not filtered to quickfixlist (qflist) |
 | `<M-q>` | Send all selected items to qflist |
 | `<C-r><C-w>` | Insert cword in original window into prompt (insert mode) |
+| `<C-r><C-e>` | Insert cWORD in original window into prompt (insert mode) |
+| `<C-r><C-l>` | Insert line in original window into prompt (insert mode) |
 
 To see the full list of mappings, check out `lua/telescope/mappings.lua` and the
 `default_mappings` table.

lua/telescope/actions/init.lua

@@ -1496,11 +1496,15 @@ actions.insert_original_cword = function(prompt_bufnr)
  current_picker:set_prompt(current_picker.original_cword, false)
 end
 
+--- Insert the WORD under the cursor of the original (pre-Telescope) window
+---@param prompt_bufnr number: The prompt bufnr
 actions.insert_original_cWORD = function(prompt_bufnr)
  local current_picker = action_state.get_current_picker(prompt_bufnr)
  current_picker:set_prompt(current_picker.original_cWORD, false)
 end
 
+--- Insert the line under the cursor of the original (pre-Telescope) window
+---@param prompt_bufnr number: The prompt bufnr
 actions.insert_original_cline = function(prompt_bufnr)
  local current_picker = action_state.get_current_picker(prompt_bufnr)
  current_picker:set_prompt(current_picker.original_cline, false)