refactor: split guides up into legacy and master

Author: oddgrd

_guides/client/advanced.md renamed to _guides/legacy/client/advanced.md

@@ -0,0 +1,23 @@
+---
+title:  Getting Started
+layout: guide
+permalink: /guides/
+---
+
+hyper is an HTTP library for the Rust language.
+
+You can start using it by first adding it to your `Cargo.toml`:
+
+```toml
+[dependencies]
+hyper = "0.14"
+```
+
+- If building a web server, continue with the [Server guide][].
+- If trying to talk to a server, continue with the [Client guide][].
+
+You could also look at the [generated API documentaton][docs].
+
+[docs]: {{ site.docs_url }}
+[Server guide]: server/hello-world.md
+[Client guide]: client/basic.md

_guides/client/basic.md renamed to _guides/legacy/client/basic.md

@@ -0,0 +1,23 @@
+---
+title:  Getting Started
+layout: guide
+permalink: /guides/
+---
+
+hyper is an HTTP library for the Rust language.
+
+You can start using it by first adding it to your `Cargo.toml`:
+
+```toml
+[dependencies]
+hyper = { version = "1.0.0-rc.1", features = ["full"] }
+```
+
+- If building a web server, continue with the [Server guide][].
+- If trying to talk to a server, continue with the [Client guide][].
+
+You could also look at the [generated API documentaton][docs].
+
+[docs]: {{ site.docs_url }}
+[Server guide]: server/hello-world.md
+[Client guide]: client/basic.md