feat(pricing): add `sign-session-key` pricing support and product-awa…#925

Ansonhkg merged 3 commits intonagaLIT-Protocol/js-sdk:nagafrom

feature/jss-118-naga-featbug-add-signsessionkey-product-index-3-forLIT-Protocol/js-sdk:feature/jss-118-naga-featbug-add-signsessionkey-product-index-3-forCopy head branch name to clipboard