add YamlUtil

hutool-setting/src/test/resources/test.yaml

@@ -0,0 +1,13 @@
+firstName: "John"
+lastName: "Doe"
+age: 31
+contactDetails:
+  - type: "mobile"
+    number: 123456789
+  - type: "landline"
+    number: 456786868
+homeAddress:
+  line: "Xyz, DEF Street"
+  city: "City Y"
+  state: "State Y"
+  zip: 345657