Add SSID filtering

[AleksaMCode]

What type of PR is this? (check all applicable)

• [ ] Refactor
• [x] Feature
• [ ] Security Fix
• [ ] Bug Fix
• [ ] Optimization
• [x] Documentation Update
• [ ] Dependency Update

Description

Added SSID filtering will allow sniffer to ignore SSIDs from the SSID_FILTER list and in doing so reduce a socket connection load if done with SSIDs that have high ocurence.

Related Tickets & Documents

• Closes #29

Added/updated tests?

• [ ] Yes
• [x] No, and this is why: testing not utilized at this point
• [ ] I need help with writing tests

[AleksaMCode]

The README.md should be updated to inform users about the option to filter out unwanted SSIDs.