Massive refactor to accommodate RISC-V targets

- Refactored entire codebase (excluding the Insight component) to accommodate multiple target architectures (no longer specific to AVR)
- Deleted 'generate SVD' GDB monitor command - I will eventually move this functionality to the Bloom website
- Added unit size property to address spaces
- Many other changes which I couldn't be bothered to describe here

src/Targets/TargetPinoutDescriptor.cpp

@@ -0,0 +1,22 @@
+#include "TargetPinoutDescriptor.hpp"
+
+#include <utility>
+
+namespace Targets
+{
+    TargetPinoutDescriptor::TargetPinoutDescriptor(
+        const std::string& key,
+        const std::string& name,
+        TargetPinoutType type,
+        std::vector<TargetPinDescriptor>&& pinDescriptors
+    )
+        : key(key)
+        , name(name)
+        , type(type)
+        , pinDescriptors(std::move(pinDescriptors))
+    {}
+
+    bool TargetPinoutDescriptor::operator == (const TargetPinoutDescriptor& other) const {
+        return this->key == other.key;
+    }
+}