* Added spell check
* All words
* Add a missing word
* Fix header checks
* Fix header checks v1
* Fix header check v2
* Updated freertos link in header
* Fixed afr link in the header
* Fix last of header checks
* Update the spell check script to check amazon licensed files only
* Fixed paths and added comments
* Try with modified repo
* Add inplace substitute option to sed
* Use official repo as the spell checker source
* Add vendor file to the ignored list
Co-authored-by: root <root@ip-172-31-5-28.us-west-2.compute.internal>
This change adds the OTA demos and required dependencies and helper components .
* Add demos , configs and project files
* Add subscription manager
* Add HTTP utils
* Submodules the OTA LTS 3.0 Library.
* Add OTA pal