Merge branch 'main' of https://gitlab.pg.innopolis.university/swp/test

app.py

pdf.py

static/scripts/authorization.js

static/scripts/main.js

static/styles/authorization/authorization.css

static/styles/authorization/hide.png

static/styles/authorization/show.png

static/styles/main/main.css

templates/authorization.html

templates/cart.html

templates/main.html

templates/products.html

templates/upload.html