Opal v1.4.0

What's Changed

• feat: Gradle upgrade, bumped JDK version, updated dependencies by @CodeDead in #121
• feat: added dolphin sound by @CodeDead in #122
• feat: code refactoring by @CodeDead in #123
• feat: added Hindi language (auto-translate) by @CodeDead in #124
• feat: fixed an issue with a dialog not displaying the Opal icon by @CodeDead in #125
• Feature/rollercoaster by @CodeDead in #126
• feat: added a large crowd sound and fixed a mediaKey property by @CodeDead in #127
• feat: added a visual indicator for the timer and some minor refactoring by @CodeDead in #128
• Release/v1.4.0 by @CodeDead in #129

Full Changelog: v1.3.1...v1.4.0