switch to PostgreSQL DB and Rollbar preset has been added.

switch to PostgreSQL DB and Rollbar preset has been added.

remove main.py

add logger and readme

add DialogFlow to VK bot

add VK bot

add DialogFlow learning script.

Create: .gitignore

setup DialogFlow

Update: README.md

Create: font-awesome.css, font-awesome.min.css, fontawesome-webfont.eot, fontawesome-webfont.svg, fontawesome-webfont.ttf, fontawesome-webfont.woff, fontawesome-webfont.woff2, FontAwesome.otf, font-awesome.scss, _animated.scss, _bordered-pulled.scss, _core.scss, _fixed-width.scss, _icons.scss, _larger.scss, _list.scss, _mixins.scss, _path.scss, _rotated-flipped.scss, _screen-reader.scss, _stacked.scss, _variables.scss, apple-touch-icon.png, favicon-96x96.png, favicon.ico, favicon.svg, site.webmanifest, web-app-manifest-192x192.png, web-app-manifest-512x512.png, .gitignore, index.html, normalize.css, player.js, README.md, style.css

fixed the display of player control buttons

Create: index.html, normalize.css, player.js, style.css