Refactor build, adjust script paths, apply IDE formatting

[ghubstan]

• Remove google.osdetector plugin dependency
• Upgrade to Gradle 7.5 (fixes misleading warnings about task dependencies)
• Code formatting & style adjustments as per IDE
• Adjust service script paths to new bisq-pricenode repo TODO Test service installation again after PR merge. TODO Test scripts with bisq-monitor service dependency Wating for merge (new PR) for branch https://github.com/ghubstan/bisq-monitor/tree/add-gradle-task-submodule
• Make test logging configurable

• Add git submodule bisq-gradle Use postBuild task in .gitmodules bisq-gradle

  TODO Create new PR to change .gitmodules content

  [submodule "bisq-gradle"]
          path = bisq-gradle
          url = https://github.com/ghubstan/bisq-gradle.git
          branch = add-post-build-task

  TO

  [submodule "bisq-gradle"]
          path = bisq-gradle
          url = https://github.com/bisq-network/bisq-gradle.git

  We need to wait until PR https://github.com/bisq-network/bisq-gradle/pull/1 is approved & merged before making the above change to .gitmdoules