0.16.0

What's Changed

• new board by @ladyada in #333
• Add Metro M7 SD support by @hathach in #335
• Implement espressif 1 ota partition by @hathach in #336
• Add LilyGO T-TWR Plus by @lyusupov in #337
• new metro s3 with 16mb flash by @ladyada in #339
• Add Heltec Wireless Tracker by @lyusupov in #338
• Add Unexpected Maker NanoS3 by @UnexpectedMaker in #340

Full Changelog: 0.15.0...0.16.0