JavaFX Jar No Main Manifest Attribute Error
生成Artifact时， MANIFEST.MF should be in:
src/main/resources/META_INF/
NOT in:
src/main/java/META_INF/
JavaFX Jar No Main Manifest Attribute Error
https://xsxun.github.io/posts/javafx-jar-no-main-manifest-attribute-error/
