Version 2.8.9

This release contains several new enhancements, an update to the installer and a security fix.
Big thanks as always to the invaluable contributions of our awesome community.

What's Changed

• Dynamic tooltip for wireless modes by @billz in #1314
• Update WiFi client UI w/ RSSI signal bars by @billz in #1318
• Move theme UI under System tab by @billz in #1317
• Adds minimal SD card write support to installer by @billz in #1319 thanks @zbchristian
• Sanitize hostapd input by @billz in #1322 thanks @eldstal

Full Changelog: 2.8.8...2.8.9