[PENDING] Bootsnap を利用可能に

[whiteleaf7]

resolved #289

とりあえず実装したけど実際に導入は 3.3.1 以降で

[whiteleaf7]

jobs:0 $ bin/narou v
Traceback (most recent call last):
	12: from bin/narou:11:in `<main>'
	11: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	10: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	 9: from /Users/whiteleaf/github/narou/narou.rb:12:in `<top (required)>'
	 8: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/bootsnap-1.3.2/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:44:in `require_relative'
	 7: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/bootsnap-1.3.2/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:29:in `require'
	 6: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/bootsnap-1.3.2/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:20:in `require_with_bootsnap_lfi'
	 5: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/bootsnap-1.3.2/lib/bootsnap/load_path_cache/loaded_features_index.rb:65:in `register'
	 4: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/bootsnap-1.3.2/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `block in require_with_bootsnap_lfi'
	 3: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	 2: from /Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	 1: from /Users/whiteleaf/github/narou/lib/extension.rb:11:in `<main>'
/Users/whiteleaf/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/bootsnap-1.3.2/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:32:in `require': cannot load such file -- open_uri_redirections (LoadError)

bin/narou 経由で起動すると、上記エラーが出る。
これが解決出来ないとマージするのは難しい