README: added lua keymap exmaple, removed commented `_G.dump`(s)

README.md

@@ -114,6 +114,13 @@ which can be easily mapped to:
 nnoremap <c-P> <cmd>lua require('fzf-lua').files()<CR>
 ```
 
+or if using `init.lua`:
+```lua
+vim.api.nvim_set_keymap('n', '<c-P>',
+    "<cmd>lua require('fzf-lua').files()<CR>",
+    { noremap = true, silent = true })
+```
+
 ## Commands
 
 ### Buffers & Files

lua/fzf-lua/core.lua

@@ -251,9 +251,6 @@ M.fzf_files = function(opts)
       end
     end
 
-    -- dump fails after fzf for some odd reason
-    -- functions are still valid as can seen by pairs
-    -- _G.dump(opts.actions)
     actions.act(opts.actions, selected)
 
   end)()

lua/fzf-lua/init.lua

@@ -46,7 +46,6 @@ function M.setup(opts)
   -- this doesn't happen automatically
   config.globals = globals
   globals = nil
-  -- _G.dump(config.globals)
 end
 
 M.fzf_files = require'fzf-lua.core'.fzf_files

lua/fzf-lua/providers/files.lua

@@ -36,7 +36,6 @@ end
 M.files = function(opts)
 
   opts = config.normalize_opts(opts, config.globals.files)
-  -- _G.dump(opts)
 
   local command = get_files_cmd(opts)
 

lua/fzf-lua/providers/module.lua

@@ -42,8 +42,6 @@ M.metatable = function(opts)
 
     actions.act(opts.actions, selected)
 
-    -- _G.dump(methods)
-
   end)()
 
 end

lua/fzf-lua/utils.lua

@@ -1,5 +1,6 @@
 -- help to inspect results, e.g.:
 -- ':lua _G.dump(vim.fn.getwininfo())'
+-- use ':messages' to see the dump
 function _G.dump(...)
   local objects = vim.tbl_map(vim.inspect, { ... })
   print(unpack(objects))