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/DebugToolDrivers/TargetInterfaces/RiscV/RiscVIdentificationInterface.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <string>
+
+namespace DebugToolDrivers::TargetInterfaces::RiscV
+{
+    class RiscVIdentificationInterface
+    {
+    public:
+        /**
+         * Should retrieve the RISC-V target ID in string form.
+         *
+         * @return
+         *  The target ID, in the form of a string.
+         */
+        virtual std::string getDeviceId() = 0;
+    };
+}