feat: Initial work rework current project system

lib/libimhex/source/project/project.cpp

@@ -0,0 +1,28 @@
+#include <hex/project/project.hpp>
+#include <hex/project/project_manager.hpp>
+
+namespace hex::proj {
+
+    Project::~Project() {
+        for (auto &content : m_contents) {
+            ProjectManager::storeContent(*content);
+        }
+    }
+
+
+    void Project::addContent(UnlocalizedString type) {
+        const auto &content = m_contents.emplace_back(
+            std::make_unique<Content>(
+                type,
+                fmt::format("Unnamed {}", Lang(type))
+            )
+        );
+
+        const auto loadedContent = ProjectManager::getLoadedContent(type);
+        ProjectManager::storeContent(loadedContent == nullptr ? *content : *loadedContent);
+
+        ProjectManager::loadContent(*content);
+    }
+
+
+}