Added missing Platformio keywords

library.json

@@ -2,7 +2,7 @@
     "name": "RadioLib",
     "version": "5.7.0",
     "description": "Universal wireless communication library. User-friendly library for sub-GHz radio modules (SX1278, RF69, CC1101, SX1268, and many others), as well as ham radio digital modes (RTTY, SSTV, AX.25 etc.).",
-    "keywords": "radio, sx1262",
+    "keywords": "radio, communication, morse, cc1101, aprs, sx1276, sx1278, sx1272, rtty, ax25, afsk, nrf24, rfm96, sx1231, rfm96, rfm98, sstv, sx1278, sx1272, sx1276, sx1280, sx1281, sx1282, sx1261, sx1262, sx1268, si4432, rfm22, llcc68, pager, pocsag",
     "homepage": "https://github.com/jgromes/RadioLib",
     "repository":
     {