fix(toolpp): in FGDWriter return bool from bake on successful file write

Author: craftablescience

include/toolpp/FGD.h

@@ -191,7 +191,7 @@ class FGDWriter {
 
 	[[nodiscard]] std::string bake();
 
-	void bake(const std::string& fgdPath);
+	bool bake(const std::string& fgdPath);
 
 protected:
 	FGDWriter();

src/toolpp/FGD.cpp

@@ -837,6 +837,6 @@ std::string FGDWriter::bake() {
 	return this->backingData;
 }
 
-void FGDWriter::bake(const std::string& fgdPath) {
-	fs::writeFileText(fgdPath, this->bake());
+bool FGDWriter::bake(const std::string& fgdPath) {
+	return fs::writeFileText(fgdPath, this->bake());
 }