Dependency update, Docker buildfile, Readme, LICENSE

+ Added Docker build file
+ added Readme.md
+ added LICENSE (GPLv3)
* replaced dependency slf4j-api with logback
+ added dependency jetbrains-annotations
+ added dependency okhttp3
- removed build plugin central-publishing
+ added logback config files

Dockerfile

@@ -0,0 +1,9 @@
+FROM eclipse-temurin:21-jre-alpine
+
+LABEL authors="B00tLoad_"
+
+RUN mkdir -p /opt/app
+RUN mkdir -p /data/b00tload-tools/snowflake
+
+COPY target/SnowflakeService-jar-with-dependencies.jar /opt/app
+CMD ["java", "-jar", "/opt/app/SnowflakeService-jar-with-dependencies.jar", "--docker"]