[DOCS] Add mention of status page

[TomFern]

Documentation Location

Top and footer

Type of Documentation Issue

• Missing documentation
• Incorrect information
• Unclear explanation
• Outdated content
• Broken link
• Code example needs update
• Other (please describe)

Current State

No mention of the status page

Requested Changes

We should state somewhere in the docs where to find the Semaphore status page

Suggested Content

Additional Information

Affects Version

• Cloud Semaphore
• Community Edition (specify version):

[TomFern]

Merged and published