sinatra-contrib gem

Signed-off-by: yury.kaliada <fut.wrk@gmail.com>
Lectures controller

Signed-off-by: yury.kaliada <fut.wrk@gmail.com>
Base controller

Signed-off-by: yury.kaliada <fut.wrk@gmail.com>
Application controller

Signed-off-by: yury.kaliada <fut.wrk@gmail.com>
Token generator

Signed-off-by: yury.kaliada <fut.wrk@gmail.com>
AngularJS controller + routes

Signed-off-by: yury.kaliada <fut.wrk@gmail.com>