actually enable the telescope fzf plugin

lua/conf/plugins/telescope.lua

@@ -61,6 +61,10 @@ return { 'nvim-telescope/telescope.nvim',
       }
     }
 
+    -- load in the fzf extension
+    telescope.load_extension('fzf')
+
+    -- keymaps
     local telebuilt = require('telescope.builtin')
     map('n', '<leader>f', function()
       telebuilt.fd { follow = true }