samples revisited after teched

packages/media-server/index.cds

@@ -0,0 +1,15 @@
+namespace sap.capire.media;
+
+service MediaServer {
+  entity Images {
+    key url : URL;
+    type : String enum { jpeg; png; gif; };
+    content : Image;
+  }
+}
+
+type ImageURL : URL;
+// type ImageURL : Association to MediaServer.Images;
+//> would need Assotiations targeting off service to turn into references w/ foreign keys
+type Image : LargeBinary @stream;
+type URL : String(222);