Vendor dependencies

Let's see how I like this workflow.

vendor/crossterm_winapi/Cargo.toml

@@ -0,0 +1,29 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies
+#
+# If you believe there's an error in this file please file an
+# issue against the rust-lang/cargo repository. If you're
+# editing this file be aware that the upstream Cargo.toml
+# will likely look very different (and much more reasonable)
+
+[package]
+edition = "2018"
+name = "crossterm_winapi"
+version = "0.9.0"
+authors = ["T. Post"]
+exclude = ["target", "Cargo.lock"]
+description = "WinAPI wrapper that provides some basic simple abstractions around common WinAPI calls"
+documentation = "https://docs.rs/crossterm_winapi/"
+readme = "README.md"
+keywords = ["winapi", "abstractions", "crossterm", "windows", "screen_buffer"]
+license = "MIT"
+repository = "https://github.com/crossterm-rs/crossterm-winapi"
+[package.metadata.docs.rs]
+default-target = "x86_64-pc-windows-msvc"
+[target."cfg(windows)".dependencies.winapi]
+version = "0.3.8"
+features = ["winbase", "consoleapi", "processenv", "handleapi", "synchapi", "impl-default"]