init offer creation
[#12] Working selector of categories under offer's form
[#12] Working form of offer's creation
[#12] Init read offer page
[#12] rendering list of offers
Merge branch 'develop' into feature/offer
model up
[#12] removed not working pagination
removed pagination props from config file
removed unproper import
[#13] added searching of offers by their name and body
Merge branch 'feature/offer' into develop