Prototype Pydantic declarative scheme (#3)

* Update quickstart examples

* Implementation dump: Pydantic decorators but still java api compatible

* Cleanup for publishing

0.2.x/examples/quickstart/QuickStartRead.java

@@ -0,0 +1,42 @@
+package ch.eth.sis.rocrate.example.doc;
+
+import ch.eth.sis.rocrate.SchemaFacade;
+import ch.eth.sis.rocrate.facade.IMetadataEntry;
+import ch.eth.sis.rocrate.facade.IPropertyType;
+import ch.eth.sis.rocrate.facade.IType;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import edu.kit.datamanager.ro_crate.RoCrate;
+import edu.kit.datamanager.ro_crate.reader.FolderReader;
+import edu.kit.datamanager.ro_crate.reader.RoCrateReader;
+
+import java.util.List;
+
+public class QuickStartRead
+{
+
+    public static void main(String[] args) throws JsonProcessingException
+    {
+        RoCrateReader reader = new RoCrateReader(new FolderReader());
+        RoCrate crate = reader.readCrate(QuickStartWrite.TMP_EXAMPLE_CRATE);
+        SchemaFacade schemaFacade = SchemaFacade.of(crate);
+
+        List<IType> types = schemaFacade.getTypes();
+
+
+        /* Writes out all types with their entries */
+        for (IType type : types)
+        {
+            System.out.println(type);
+            for (IMetadataEntry entry : schemaFacade.getEntries(type.getId()))
+            {
+                System.out.println(entry);
+            }
+        }
+        /* Writes out all property types */
+        for (IPropertyType propertyType : schemaFacade.getPropertyTypes())
+        {
+            System.out.println(propertyType);
+        }
+
+    }
+}