Initial circuits plugin work.

plugins/circuits/src/CircuitElement.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <string>
+#include <memory>
+
+
+class CircuitElement
+{
+public:
+    enum class Type
+    {
+        INPUT_TERMINAL,
+        OUTPUT_TERMINAL,
+        WIRE,
+        LOGIC_GATE,
+        FANOUT,
+        UNKNOWN
+    };
+
+    virtual ~CircuitElement() = default;
+
+    virtual CircuitElement::Type getType() const = 0;
+};
+
+
+
+
+