ソフトウェアエンジニアリング

Create LICENSE

Add simple main JavaFX class and JPMS module declaration

- deleted main class and main test class generated by gradle init.

Modify build settings to use Liberica JDK 14 full and JUnit5 on local

Initail project files

Gradle init generates directories and files.
Then modified .gitignore and .gitattributes for IntelliJ IDEA projects.
Launch IntelliJ IDEA to generate idea files.