Bugfixes for both STENO and QWERTY mode

Added

• DS3231 real time clock module wiring and positioning reference picture to README.
• Four new faces, producing processing animation when combined.
• WPM stats now track and display top result for session.

Changed

• Led plugin and default patterns to better indicate noteworthy events.

Fixed

• QWERTY-mode breaking bug introduced in v0.0.4.
• Letter capitalization, symbol characters and return key in STENO-mode.