Adding the cspell things in

.cSpellWords.txt

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+LLHTTP
+llhttp
+Llhttp
+inbetween
+MISRA
+coverity
+misra
+reponse
+MQTT
+cbmc
+CBMC
+abcdefghijklmnopqrstuvwxyzabcdefghijklmnopq
+abcdefghijk
+lmnopqrstuvw
+cmock
+Doesnt

cspell.config.yaml

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+---
+$schema: https://raw.githubusercontent.com/streetsidesoftware/cspell/main/cspell.schema.json
+version: '0.2'
+# Allows things like stringLength
+allowCompoundWords: true
+useGitignore: true
+# Could split this up? And do a dictionary for each repo?
+# But feel like if this isn't super slow
+# That having just one single dictionary might be nicer?
+dictionaryDefinitions:
+  - name: freertos-words
+    path: '.cSpellWords.txt'
+    addWords: true
+dictionaries:
+  - freertos-words
+ignorePaths:
+  - 'node_modules'
+  - '.cSpellWords.txt'
+  - 'dependency'
+  - 'docs'
+  - 'ThirdParty'
+