lazy load overseer and aerial

lua/my_plugins.lua

@@ -198,6 +198,11 @@ return require('packer').startup(function()
       'nvim-telescope/telescope.nvim'
     },
     config = get_setup('aerial'),
+    opt = true,
+    module = 'aerial',
+    keys = {
+      { 'n', '<leader>s' }
+    }
   }
   use {
     'ggandor/leap.nvim',
@@ -248,7 +253,12 @@ return require('packer').startup(function()
   }
   use {
     'stevearc/overseer.nvim',
-    config = get_setup('my_overseer')
+    config = get_setup('my_overseer'),
+    opt = true,
+    keys = {
+      { 'n', '<F4>' }
+    },
+    module = 'overseer'
   }
   if packer_bootstrap then
     require('packer').sync()