Update for Readme Dispatcher module. I added some minor comments for dispatcher module, what I think might be useful for somebody.

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https://github.com/kamailio/kamailio/pull/1800

-- Commit Summary --

* Update for Readme Dispatcher module

-- File Changes --

M src/modules/dispatcher/README (12)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/1800.patch https://github.com/kamailio/kamailio/pull/1800.diff