Use new spell check, some formatting/spelling/link fixes

Author: Skptak

.github/.cSpellWords.txt

@@ -1,8 +1,106 @@
+ARMCM
+ATMEGA
+ATMEL
+AVRDX
+Atmel
+Biagioni
+CBMC
+CBOR
 CMOCK
 CMock
+CORTUS
+CRCB
+CYGNAL
 Cmock
 Coverity
+DFREERTOS
+DNDEBUG
+DPFPU
+DSPIC
+DUNITY
+ENMFILE
+Espeche
+FEDPICC
+FLASH
+FLSH
+Flsh
+Frieder
+ICCAVR
+ISR's
+Kamil
+Krutmann
+MCU
+MIKROC
 MISRA
+MPLAB
+MQTT
+Mang
+Mikro
 Misra
+NIOSII
+NOGIC
+Nios
+OPTIMISED
+OWATCOM
+PCLATH
+PCLATU
+PCLK
+PICOLIBC
+Picolibc
+Prioritised
+Prokic
+Pulpino
+REENT
+RMII
+RVDS
+Rationalised
+Raynald
+Renesas
+Rxed
+SDCC
+Stellaris
+TBLPTRU
+W
+WIZC
+Wcolor
+Wconversion
+Werror
+Weverything
+Wextra
+Wpedantic
+Wunused
+XTENSA
+capitalisation
+cbmc
+cbor
+cmock
+codecov
+comms
 coverity
+crflash
+crhook
+croutine
+ctest
+fcolor
+fdiagnostics
+imajeff
+kbhit
+lcov
+mevents
 misra
+nostdint
+optimiser
+picolibc
+ppuc
+ppux
+prtmacro
+reent
+sinclude
+stmdb
+synchronise
+uncrustify
+unsuspended
+utest
+utilises
+utilising
+visualisation