[Epic][Security] Improvements to exception docs

[nastasha-solomon]

Using this to collect issues filed for exception docs:

• Create and Manage Value Lists doc should contain more examples of accepted IP addresses formats security-docs#3754
• [Enhancement]: Improve examples of detection rule exceptions using wildcards security-docs#5334
• [Suggestion] Update rule types list in the Note about Exceptions security-docs#5923
• [Enhancement]: Threshold rule exceptions constraints security-docs#4929