feat: make SCContactPoint extend SCThing

Refactor SCPerson and SCOrganization

test/resources/ContactPoint.1.json

@@ -0,0 +1,39 @@
+{
+  "errorNames": [],
+  "instance": {
+    "type": "contact point",
+    "name": "Dienstadresse",
+    "areaServed": {
+      "type": "room",
+      "categories": [
+        "education"
+      ],
+      "uid": "39c1a574-04ef-5157-9c6f-e271d93eb273",
+      "name": "3.G 121",
+      "alternateNames": [
+        "Dienstzimmer"
+      ],
+      "geo": {
+        "point": {
+          "coordinates": [
+            8.66919,
+            50.12834
+          ],
+          "type": "Point"
+        }
+      }
+    },
+    "email": "info@example.com",
+    "faxNumber": "069 / 123450",
+    "officeHours": "Mo, Mi 8:00-13:00",
+    "telephone": "069 / 12345",
+    "url": "https://example.com",
+    "uid": "be34a419-e9e8-5de0-b998-dd1b19e7beef",
+    "origin": {
+      "indexed": "2018-09-11T12:30:00Z",
+      "name": "Dummy",
+      "type": "remote"
+    }
+  },
+  "schema": "SCContactPoint"
+}