Add Android fonts to blimp engine

blimp/docs/container.md

Index: blimp/docs/container.md
diff --git a/blimp/docs/container.md b/blimp/docs/container.md
index 31adc802ee2b6fc603aa6d3c1703468b7d67804d..6cec582e00d78ddd21314bab9573ce07277a2550 100644
--- a/blimp/docs/container.md
+++ b/blimp/docs/container.md
@@ -56,7 +56,7 @@ dependencies.
 Using the tarfile you can create a Docker image:
 
 ```bash
-docker build -t blimp_engine - < ./out-linux/Debug/blimp_engine_bundle.tar
+docker build -t blimp_engine - < ./out-linux/Debug/blimp_engine_bundle.tar.gz
 ```
 
 ## Running the Engine in a Docker Container
@@ -74,7 +74,8 @@ few files that are not provided by the container. You need:
     public certificate. Permissions should be set to 644.
 *   `$CONFIG_DIR/client_token`: A file with a non-empty string used as the
     client token (the shared secret between the client and the engine).
-    Persmissions should also be set to 644.
+    Permissions should also be set to 644. See [running](running.md) for how
+    to get the default token from the source code.
 
 This setup step is only required once and can be reused for all the rest of the
 runs of the engine.
@@ -94,4 +95,3 @@ docker run ... blimp_engine --with-my-flags
 ```
 See the [blimp engine `Dockerfile`](../engine/Dockerfile) to find out what flags
 are passed by default.
-