v0.0.3

What's changed:

• Improved UI
• Disabled sleep mode while running app using wakelock
• Forced portrait mode
• Moved StopWatch init to inside main class init
• Added kDebugMode check for interpreter to avoid prints in production
• Refactored variable names to follow Flutter style guide
• Moved static argmax function to outside main class

Full Changelog: v0.0.2...v0.0.3