CTAP library move (#602)

* Moves all CTAP logic into its own library

* workflows fix test

* more coveralls workflow tests

libraries/opensk/fuzz/fuzz_helper/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "fuzz_helper"
+version = "0.1.0"
+authors = ["Mingxiao Guo <mingxguo@google.com>"]
+license = "Apache-2.0"
+edition = "2018"
+
+[dependencies]
+arrayref = "0.3.6"
+opensk = { path = "../..", features = ["fuzz"] }
+crypto = { path = "../../../crypto", features = ['std'] }
+rng256 = { path = "../../../rng256", features = ['std'] }
+sk-cbor = { path = "../../../cbor" }
+arbitrary = { version = "0.4.7", features = ["derive"] }