moved gpio interface pin parsing to factory

FlippR-Driver/src/output/items/IDisplay.h

@@ -21,8 +21,7 @@ class IDisplay
 {
 
 public:
-	IDisplay();
-	virtual ~IDisplay();
+	virtual ~IDisplay() = default;
 
 	virtual std::vector<char> get_content() = 0;
 };

FlippR-Driver/src/output/items/IItem.h

@@ -20,7 +20,7 @@ namespace items
 class IItem
 {
 public:
-  virtual ~IItem();
+  virtual ~IItem() = default;
 
   virtual uint8_t get_address() = 0;
 };

FlippR-Driver/src/output/items/Item.h

@@ -26,7 +26,7 @@ class Item : public IItem
 {
 public:
   Item(std::shared_ptr<IOutputGPIOInterface> output_gpio_interface, uint8_t address, std::string name);
-  ~Item() override;
+  virtual ~Item() = default;
 
   uint8_t get_address() override;