Added derive units to core

Derive units are now available in the core and has their relevant input
values routed and outputs are looped back into the core router

Fixed the dlpak manifest which had no signal descriptors

test/manual/peer.py

@@ -52,7 +52,8 @@ logging.basicConfig(
 
 log = logging.getLogger(__name__)
 
-signal_id: UUID = uuid4()
+signal_id_1: UUID = UUID("3f32cea3-d872-4c16-a0a2-54b57171aeb2")
+signal_id_2: UUID = UUID("6578ac37-99d1-410c-b3f7-d049339919b2")
 
 
 def monotonic_ms() -> int:
@@ -117,13 +118,18 @@ def value_sender_thread(
                 next_send_time += period
 
             message = ValueBatch(values=[])
-            for i in range(10):
-                value = ValueDescriptor(
-                    signal_id=signal_id,
-                    value=2.0,
-                    timestamp=monotonic_ns(),
-                )
-                message.values.append(value)
+            value1 = ValueDescriptor(
+                signal_id=signal_id_1,
+                value=2.0,
+                timestamp=monotonic_ns(),
+            )
+            value2 = ValueDescriptor(
+                signal_id=signal_id_2,
+                value=1.0,
+                timestamp=monotonic_ns(),
+            )
+            message.values.append(value1)
+            message.values.append(value2)
 
             future = asyncio.run_coroutine_threadsafe(
                 send_message(
@@ -205,8 +211,11 @@ async def perform_handshake(
         connector_version=CONNECTOR_VERSION.get_version(),
         signals=[
             SignalDescriptor(
-                id=signal_id, name="Dummy signal", type="number", timeout_ms=5000
-            )
+                id=signal_id_1, name="Dummy signal 1", type="number", timeout_ms=5000
+            ),
+            SignalDescriptor(
+                id=signal_id_2, name="Dummy signal 2", type="number", timeout_ms=5000
+            ),
         ],
     )