[FEAT] Confluence Data Connector handles custom Confluence urls

[cope]

Pull Request Type

• [x] ✨ feat
• [ ] 🐛 fix
• [ ] ♻️ refactor
• [ ] 💄 style
• [ ] 🔨 chore
• [ ] 📝 docs

Relevant Issues

resolves #1347

What is in this change?

Confluence Data Connector used to only handle the hardcoded {subdomain}.atlassian.net/wiki/spaces/(:spaceKey)/*. Now it also handles custom confluence URLs like (:subdomain.):domain.:tld/wiki/spaces/(:spaceKey)/*.

Developer Validations

• [x] I ran yarn lint from the root of the repo & committed changes
• [x] Relevant documentation has been updated
• [x] I have tested my code functionality
• [x] Docker build succeeds locally