add sign in style and dom
add sign up style and dom
add route to sign up and sign in
add queries to sign up and sign in
add handlebars to sign up and sign in
add testing to sign up routers
add testing to sign in routers
add testing to addUser query (database)
add testing to checkUser query (database)
add sign in style and dom add sign up style and dom add route to sign up and sign in add queries to sign up and sign in add handlebars to sign up and sign in add testing to sign up routers add testing to sign in routers add testing to addUser query (database) add testing to checkUser query (database)