Mirror intergrated, WIP on Client Prediction v1

Assets/Mirror/Runtime/SnapshotInterpolation/Snapshot.cs

@@ -0,0 +1,20 @@
+// Snapshot interface so we can reuse it for all kinds of systems.
+// for example, NetworkTransform, NetworkRigidbody, CharacterController etc.
+// NOTE: we use '<T>' and 'where T : Snapshot' to avoid boxing.
+//       List<Snapshot> would cause allocations through boxing.
+namespace Mirror
+{
+    public interface Snapshot
+    {
+        // snapshots have two timestamps:
+        // -> the remote timestamp (when it was sent by the remote)
+        //    used to interpolate.
+        // -> the local timestamp (when we received it)
+        //    used to know if the first two snapshots are old enough to start.
+        //
+        // IMPORTANT: the timestamp does _NOT_ need to be sent over the
+        //            network. simply get it from batching.
+        double remoteTimestamp { get; set; }
+        double localTimestamp { get; set; }
+    }
+}