Add pull request template.
Add pull request template.

pwbs/cordova-plugin-geolocation,SupremumLimit/cordova-plugin-geolocation,protonet/cordova-plugin-geolocation,apache/cordova-plugin-geolocation,protonet/cordova-plugin-geolocation,SupremumLimit/cordova-plugin-geolocation,pwbs/cordova-plugin-geolocation,purplecabbage/cordova-plugin-geolocation,pwbs/cordova-plugin-geolocation,protonet/cordova-plugin-geolocation,protonet/cordova-plugin-geolocation,purplecabbage/cordova-plugin-geolocation,pwbs/cordova-plugin-geolocation,purplecabbage/cordova-plugin-geolocation,purplecabbage/cordova-plugin-geolocation,SupremumLimit/cordova-plugin-geolocation,Geotab/cordova-plugin-geolocation,SupremumLimit/cordova-plugin-geolocation,Geotab/cordova-plugin-geolocation,apache/cordova-plugin-geolocation