Updated the bbb-webhooks documentation. Ensuring the configuration file gets ignored.

The url documentation was incorrect. I corrected

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.15...4.17.19

)

Signed-off-by: dependabot[bot] <support@github.com>

Added the new config requestTimeout (and env var REQUEST_TIMEOUT). It is piped to the request module POST operation to avoid clogging the queue when there are no responses to hooks or the HTTPS socket connection cant be established

save user mapping to memory db before trying to save on redis to avoid inconsistency on the next event

- make ws port configurable on kurento