feat: hp::derp::http::server::Server & TLS in the derper! (#1077)

Add TLS certificates & dialing via https in the derper and `hp::derp::http::client::Client`.

Refactor to add a `hp::derp::http::server::Server` that optionally serves the derp code on HTTP or HTTPS depending on the configuration.

Refactor the derper and any derp server tests to use the `hp::derp::http::server::Server`.

Refactor DNS resolving to have one core resolver.

Close the derp server and derper gracefully using `ctrl-c`.

Adds more instrumentation to the derp server processes.

Changes the default derp server hostname to `derp.iroh.network`

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Co-authored-by: dignifiedquire <me@dignifiedquire.com>

Author: ramfox

Cargo.lock

@@ -31,6 +31,7 @@ dirs-next = "2.0.0"
 ed25519-dalek = { version = "=2.0.0-rc.2", features = ["serde", "rand_core"] }
 flume = "0.10.14"
 futures = "0.3.25"
+futures-rustls = "0.24.0"
 governor = "0.5.1"
 hex = "0.4.3"
 hostname = "0.3.1"
@@ -83,6 +84,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 trust-dns-resolver = "0.22.0"
 walkdir = "2"
 webpki = { version = "0.22", features = ["std"] }
+webpki-roots = "0.23.0"
 wg = "0.3.1"
 x509-parser = "0.14"
 zeroize = "1.5"
@@ -132,4 +134,4 @@ incremental = false
 
 [patch.crates-io.ed25519-dalek]
 git = "https://github.com/dalek-cryptography/ed25519-dalek"
-rev = "4afbf09e1cb15bedc6f79c25cec388b5cd436f0d"
+rev = "4afbf09e1cb15bedc6f79c25cec388b5cd436f0d"