Render blocks without specifying if they are required or optional

This avoids all blocks being rendered as optional in resources implemented with terraform-plugin-framework.

Author: kangasta

internal/schemamd/behaviors.go

@@ -77,3 +77,11 @@ func childBlockIsReadOnly(block *tfjson.SchemaBlockType) bool {
 
 	return true
 }
+
+func childBlockIsWritable(block *tfjson.SchemaBlockType) bool {
+	return !childBlockIsReadOnly(block)
+}
+
+func omitChild[T *tfjson.SchemaAttribute | *tfjson.SchemaBlockType](_ T) bool {
+	return false
+}

internal/schemamd/render.go

@@ -50,8 +50,9 @@ var (
 	// * Optional
 	// * Read-Only
 	groupFilters = []groupFilter{
-		{"### Required", "Required:", childAttributeIsRequired, childBlockIsRequired},
-		{"### Optional", "Optional:", childAttributeIsOptional, childBlockIsOptional},
+		{"### Required Attributes", "Required Attributes:", childAttributeIsRequired, omitChild[*tfjson.SchemaBlockType]},
+		{"### Optional Attributes", "Optional Attributes:", childAttributeIsOptional, omitChild[*tfjson.SchemaBlockType]},
+		{"### Blocks", "Blocks:", omitChild[*tfjson.SchemaAttribute], childBlockIsWritable},
 		{"### Read-Only", "Read-Only:", childAttributeIsReadOnly, childBlockIsReadOnly},
 	}
 )