Add assigner support to Blimp

blimp/docs/running.md

Index: blimp/docs/running.md
diff --git a/blimp/docs/running.md b/blimp/docs/running.md
index 9678a09fa0ea5a905a19d2fe9c88c620e4c33b28..f4a1d96e117e1eeea50d0a9736def7f9b9eea5a4 100644
--- a/blimp/docs/running.md
+++ b/blimp/docs/running.md
@@ -21,6 +21,11 @@ Set up any command line flags with:
 ./build/android/adb_blimp_command_line --enable-webgl
 ```
 
+To have the client connect to a custom engine use the `--blimplet-endpoint`
+flag.  This takes values in the form of scheme:ip:port.  The possible valid
+schemes are 'tcp', 'quic', and 'ssl'.  An example valid endpoint would be
+`--blimplet-endpoint=tcp:127.0.0.1:500`.
+
 Run the Blimp APK with:
 
 ```bash
@@ -46,3 +51,4 @@ started. You'll probably want to remap 25467 to "localhost:25467".
 ### Required flags
 *   `--blimp-client-token-path=$PATH`: Path to a file containing a nonempty
 token string. If this is not present, the engine will fail to boot.
+