Add DoH client (HTTP/1.1)

[taketo1113]

Summary

Add DoH client (HTTP/1.1) via Net::HTTP

Change Set

• Added resolver of doh client (http/1.1)
• Added cli option of resolve type: --doh-h1

Usage

• Ruby

doh = Ddig::Resolver::DohH1.new(hostname: 'dns.google', server: 'dns.google', dohpath: '/dns-query{?dns}').lookup
=> #<Ddig::Resolver::DohH1:0x00000001023ed020 @a=["8.8.4.4", "8.8.8.8"], @aaaa=["2001:4860:4860::8888", "2001:4860:4860::8844"], @address=nil, @dohpath="/dns-query{?dns}", @hostname="dns.google", @open_timeout=10, @port=443, @server="dns.google">

doh.a
=> ["8.8.4.4", "8.8.8.8"]
doh.aaaa
=> ["2001:4860:4860::8844", "2001:4860:4860::8888"]

• CLI

$ ddig --doh-h1 --nameserver dns.google --doh-path /dns-query{?dns} dns.google
dns.google	A	8.8.8.8
dns.google	A	8.8.4.4
dns.google	AAAA	2001:4860:4860::8888
dns.google	AAAA	2001:4860:4860::8844

# SERVER(Hostname): dns.google
# SERVER(Path): /dns-query{?dns}
# PORT: 443