[WIP] Revamp the canonicalizer starting on Draft 4

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

contrib/canonicalize.cc

@@ -15,7 +15,7 @@ auto main(int argc, char *argv[]) -> int {
 
   sourcemeta::blaze::SchemaTransformer bundle;
   sourcemeta::blaze::add(bundle,
-                         sourcemeta::blaze::AlterSchemaMode::Canonicalizer);
+                         sourcemeta::blaze::AlterSchemaMode::CanonicalizerNext);
   const auto result{
       bundle.apply(document, sourcemeta::core::schema_walker,
                    sourcemeta::core::schema_resolver,

schemas/Makefile

@@ -0,0 +1,9 @@
+SCHEMAS = canonical-draft4.json
+TESTS = canonical-draft4.test.json
+
+.PHONY: all
+all:
+	jsonschema fmt $(SCHEMAS) $(TESTS) --default-dialect "https://json-schema.org/draft/2020-12/schema"
+	jsonschema metaschema $(SCHEMAS)
+	jsonschema lint $(SCHEMAS)
+	jsonschema test $(TESTS)