Add simple simulator stub.

plugins/quantum_computing/src/circuit_elements/QuantumTerminal.cpp

@@ -0,0 +1,33 @@
+#include "QuantumTerminal.h"
+
+QuantumTerminal::QuantumTerminal(TerminalType type, const std::string& label)
+    : mLabel(label),
+    mType(type)
+{
+
+}
+
+QuantumTerminal::Type QuantumTerminal::getType() const
+{
+    return mType == TerminalType::INPUT ? Type::INPUT_TERMINAL : Type::OUTPUT_TERMINAL;
+}
+
+const Qubit& QuantumTerminal::getValue() const
+{
+    return mValue;
+}
+
+QuantumWire* QuantumTerminal::getConnection() const
+{
+    return mConnection;
+}
+
+void QuantumTerminal::setConnection(QuantumWire* connection)
+{
+    mConnection = connection;
+}
+
+void QuantumTerminal::setValue(const Qubit& value)
+{
+    mValue = value;
+}