Add some more docs

Author: coadler

README.md

@@ -13,3 +13,38 @@ Install:
 ```bash
 go install github.com/coder/wush/cmd/wush@latest
 ```
+
+On the host machine:
+
+```bash
+$ wush receive
+Picked DERP region Toronto as overlay home
+Your auth key is:
+    >  112v1RyL5KPzsbMbhT7fkEGrcfpygxtnvwjR5kMLGxDHGeLTK1BvoPqsUcjo7xyMkFn46KLTdedKuPCG5trP84mz9kx
+Use this key to authenticate other wush commands to this instance.
+05:18:59 Wireguard is ready
+05:18:59 SSH server listening
+```
+
+On the client machine:
+
+```bash
+$ wush
+┃ Enter the receiver's Auth key:
+| > 112v1RyL5KPzsbMbhT7fkEGrcfpygxtnvwjR5kMLGxDHGeLTK1BvoPqsUcjo7xyMkFn46KLTdedKuPCG5trP84mz9kx
+Auth information:
+    > Server overlay STUN address:  Disabled
+    > Server overlay DERP home:     Toronto
+    > Server overlay public key:    [sEIS1]
+    > Server overlay auth key:      [w/sYF]
+Bringing Wireguard up..
+Wireguard is ready!
+Received peer
+Peer active with relay  nyc
+Peer active over p2p  172.20.0.8:44483
+coder@colin:~$
+```
+
+## Technical Details
+
+...

cmd/wush/ssh.go

@@ -156,7 +156,7 @@ func sshCmd() *serpent.Command {
 				Flag:        "wait-p2p",
 				Description: "Waits for the connection to be p2p.",
 				Default:     "false",
-				Value:       serpent.BoolOf(&sshStdio),
+				Value:       serpent.BoolOf(&waitP2P),
 			},
 		},
 	}