initial version with basic model - todo implement logic

added a swagger-generator

deriving coupontype automatically

implemented cors for swagger to work

fixed product model

.gitignore

@@ -0,0 +1,26 @@
+
+# Created by https://www.gitignore.io/api/haskell
+
+### Haskell ###
+dist
+dist-*
+cabal-dev
+*.o
+*.hi
+*.chi
+*.chs.h
+*.dyn_o
+*.dyn_hi
+.hpc
+.hsenv
+.cabal-sandbox/
+cabal.sandbox.config
+*.prof
+*.aux
+*.hp
+*.eventlog
+.stack-work/
+cabal.project.local
+.HTF/
+
+# End of https://www.gitignore.io/api/haskell