add game dump uploading, fix download progress using u32 instead of s64, add progress and title for usb game dump.

- added support for custom upload locations, set in /config/sphaira/locations.ini
- add support for various auth options for download/upload (port, pub/priv key, user/pass, bearer).

sphaira/include/location.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <switch.h>
+
+namespace sphaira::location {
+
+struct Entry {
+    std::string name{};
+    std::string url{};
+    std::string user{};
+    std::string pass{};
+    std::string bearer{};
+    std::string pub_key{};
+    std::string priv_key{};
+    u16 port{};
+};
+using Entries = std::vector<Entry>;
+
+auto Load() -> Entries;
+void Add(const Entry& e);
+
+} // namespace sphaira::location