generate: generate: Add newline when adding placeholder content to script

Signed-off-by: Enno Tensing <tenno@suij.in>

generate/generate.py

@@ -109,7 +109,7 @@ def main() -> None:
             script_content += ct.create_environment()
         script_content += method()
         if script_content == "":
-            script_content = "true"
+            script_content = "true\n"
         with s.open("w+", encoding="utf-8") as f:
             f.write(HEADER)
             f.write(script_content)