Release 1.1 - chess-engine Integration

What's Changed

• Flipping the Board by @mrwhalen22 in #25
• implement check logic by @anna0021 in #27
• Final logic by @anna0021 in #28
• chess-engine integration by @mrwhalen22

Full Changelog: 1.0...1.1

Release 1.0 - First Prototype

Features:

• Working Chess game display with all pieces
• Pieces are clickable and moveable
• Most pieces following their basic movement rules (no castling, en passant, checks, etc)
• Tile Highlighting for selected square