v3.2.2: Add Stock+, eligible margin, copy followers, and rate-limit quota APIs

What's Changed

• fix: git url after siebly repo migration by @JJ-Cro in #164
• chore(): README.md template sections by @tiagosiebler in #165
• feat(v3.2.2): add Stock+, eligible margin, copy followers, and rate-limit quota APIs by @JJ-Cro in #166

Full Changelog: v3.2.1...v3.2.2