v0.12.0

• Change collection name user_meta to userMetas etc.
• Change name firestore to db
• Fix credentials setting on NextAuth
• Fixed waiting process when signing in
• Add PageLoading component
• Use type instead of interface
• Update .prettierignore
• Remove unnecessary classes
• Use tailwind spacing values
• Update dependencies

What's Changed

• Change some names by @usagizmo in #76
• Use tailwind spacing values by @usagizmo in #77

Full Changelog: v0.11.1...v0.12.0