lots of important fixes

- DPFS container is fixed
- SD Savegame is fixed
- added slot0x25KeyX load
- added regex for titile ID
- added aes_keys.txt import
- sd savegame listing is fixed (uninitialized won't be listed any more)
- error handling is improved (removed asserts and replaced with return values)
- UI is now functional
- config is now checked in main

src/core/inner_fat.h

@@ -156,8 +156,7 @@ protected:
 
 class SDSavegame : public InnerFAT {
 public:
-    explicit SDSavegame(std::vector<u8> data);
-    explicit SDSavegame(std::vector<u8> partitionA, std::vector<u8> partitionB);
+    explicit SDSavegame(std::vector<std::vector<u8>> partitions);
     ~SDSavegame() override;
 
     bool Extract(std::string path) const override;