Fix guide links

[williamscs]

Description

I noticed that the guide links weren't correct. I verified each of them, but I didn't check to see what new links should be added.

Related Issue

None

Type of Change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] New Connector (Destination or Source Connector)
• [ ] Breaking change (fix or feature that would impact existing functionality)
• [ ] Styling change
• [ ] Documentation update
• [ ] Refactoring
• [x] Chore

How Has This Been Tested?

Clicked on each link

Checklist:

• [ ] Ensure a branch name is prefixed with feature, bugfix, hotfix, release, style or chore followed by / and branch name e.g feature/add-salesforce-connector
• [ ] Added unit tests for the changes made (if required)
• [ ] Have you made sure the commit messages meets the guidelines?
• [ ] Added relevant screenshots for the changes
• [ ] Have you tested the changes on local/staging?
• [ ] Added the new connector in rollout.rb
• [ ] Have you updated the version number of the gem?
• [ ] Have you ensured that your changes for new connector are documented in the docs repo or relevant documentation files?
• [ ] Have you updated the run time dependency in multiwoven-integrations.gemspec if new gems are added
• [ ] Have you made sure the code you have written follows the best practises to the best of your knowledge?