fix(dependencies): adding cors in base.in

Author: plavacquery

requirements/base.in

@@ -36,3 +36,6 @@ marshmallow-sqlalchemy>=1.3.0,<1.4.1
 
 # needed for python 3.12 support
 openapi-schema-validator>=0.6.3
+
+# needed when using the flask-cors extension
+.[cors]

requirements/base.txt

@@ -111,6 +111,7 @@ flask==2.3.3
     #   flask-babel
     #   flask-caching
     #   flask-compress
+    #   flask-cors
     #   flask-jwt-extended
     #   flask-limiter
     #   flask-login