Fix compile errors

src/clippy/project_list.hpp

@@ -8,6 +8,11 @@
 #include <optional>
 
 struct Project {
+  Project() {}
+
+  Project(std::filesystem::path root_project, std::filesystem::path configuration_file)
+      : root_project(root_project), configuration_file(configuration_file) {}
+
   std::strong_ordering operator<=>(const Project&) const = default;
 
   Config GetConfig() { return Config{configuration_file, root_project}; }

src/clippy/target.hpp

@@ -20,7 +20,7 @@ namespace clippy::targets {
 class Target {
  public:
   virtual void Execute() = 0;
-  virtual ~Target() = 0;
+  virtual ~Target() = default;
 };
 
 class EmptyTarget : public Target {