Added port documentation to postgresql_db and postgresql_user

library/database/postgresql_db

@@ -49,6 +49,11 @@ options:
       - Name of the role to set as owner of the database
     required: false
     default: null
+  port:
+    description:
+      - Database port to connect to.
+    required: false
+    default: 5432
   template:
     description:
       - Template used to create the database

library/database/postgresql_user

@@ -58,6 +58,11 @@ options:
     required: false
     default: 'yes'
     choices: [ "yes", "no" ]
+  port:
+    description:
+      - Database port to connect to.
+    required: false
+    default: 5432
   login_user:
     description:
       - User (role) used to authenticate with PostgreSQL