Lyricify Site v1.0

This update is both a content update and site update

Content:

• i18n Instruction

Site:

• A more modern and beautiful theme with Lyricify Green as primary color
• Added Lyricify Footer, includes credits, copyrights, etc.
• Switched Lyricify logo font from Spotify Mix to Spotify Circular
• Add full Spotify Mix font support
• Little layout changes
• Switched main language from zh-CN to en in order to provide better i18n experience

Screenshots: