minor: New Game Digimon Digi-Battle (#17)

* digimon digi battle added to supported games

* sonarqube update

* readme update

---------

Co-authored-by: sdine <sdine@sdine.com>

core/include/ccm/games/digibattle99/DigiBattle99GameModule.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+// DigiBattle99GameModule: Digimon Digi-Battle (1999 English) via digimoncard.io.
+
+#include "ccm/games/IGameModule.hpp"
+#include "ccm/games/digibattle99/DigiBattle99CardPreviewSource.hpp"
+#include "ccm/games/digibattle99/DigiBattle99SetSource.hpp"
+
+namespace ccm {
+
+class DigiBattle99GameModule final : public IGameModule {
+public:
+    explicit DigiBattle99GameModule(IHttpClient& http);
+
+    [[nodiscard]] Game        id() const noexcept override { return Game::DigiBattle99; }
+    [[nodiscard]] std::string dirName()     const override { return "digibattle99"; }
+    [[nodiscard]] std::string displayName() const override { return "Digimon (Digi-Battle)"; }
+
+    ISetSource&         setSource()          override { return setSource_; }
+    ICardPreviewSource* cardPreviewSource() noexcept override { return &previewSource_; }
+
+private:
+    DigiBattle99SetSource         setSource_;
+    DigiBattle99CardPreviewSource previewSource_;
+};
+
+}  // namespace ccm