add defibrillators data for each municipality

* this project collects locations of defibrillators: https://defi.co.il/
* the data is available via an API: https://docs.google.com/document/d/1if_SjF_zJ7xUFG9fKfq9Rf6XZHhQk7hfg2xTbf_TMOo/edit?usp=sharing
* the api returns geo coordinates and city name, so we can easily adapt this to include in each municipality's default data

### suggested implementation
* implement a process which periodically collects all the data from API and updates a corresponding resource in odata CKAN
* add a process, same as the other municipality processes which gets each municipality's data from this odata resource