add license page, and change display errors to warnings

sushi-config.yaml

@@ -157,7 +157,8 @@ pages:
       title: References
     adapting.md:
       title: Adapting Guidelines for Country use
-
+    LICENSE.md:
+      title: License
 
 #  documentation.md:
 #    title: Documentation
@@ -298,6 +299,7 @@ parameters:
     - input/maps
 
   path-suppressed-warnings: input/ignoreWarnings.txt
+  display-warnings: true
 
 # For R5 ImplementationGuides, the IG.definition.parameter.code became a Coding.
 # In this case, the YAML key becomes the code.code. If the code provided is in the
@@ -308,7 +310,7 @@ parameters:
 # To use a different system, the YAML key can be a FSH code.
 # An example parameters configuration for an R5 ImplementationGuide:
 # parameters:
-  generate-xml: true
+#  generate-xml: true
 #   validation: [allow-any-extensions, no-broken-links]
 #   http://example.org/fhir/other-system#example: false