Add git submodule update --init to README.md

Adding `git submodule update --init` to README.md to fix Errors with Building the Container as mentioned in Issue #101
2021-05-12 11:53:44 +02:00 · 2021-05-12 11:53:44 +02:00 · 2bb8b21817
commit 2bb8b21817
parent 0c37742980
1 changed files with 1 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -26,6 +26,7 @@ Version: 2.3.0 | [Changelog](CHANGELOG.md) | [Issues](https://github.com/bigblue
   ```sh
   $ git clone -b main --recurse-submodules https://github.com/bigbluebutton/docker.git bbb-docker
   $ cd bbb-docker
+   $ git submodule update --init
   ```
 3. Run setup:
   ```bash