Update README.md

Author: paulslugocki

README.md

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-Very basic booking engine
+# Very basic booking engine
+
+Intended as a learning tool for developers looking to input bookings into TourCMS via API, very much NOT intnded for production use - unless you dislike your customers!
+
+For an off the shelf, ready to go booking engine take a look at our hosted booking engine.
 
 This is very much a work in progress, the code comments are currently being worked on and following that the UI could do with some updates. At a very basic level though it inputs bookings via API.