* New powershell script
* Text file with attribute APIs to exclude by default
* Add beforeFriendlyName and afterFriendlyName arguments. Pass the correct strings to the api diff tool. Add better logic to determine root of failure when packages are not found.
* Add assemblies to exclude
* Remove extensions from assemblies to exclude
* Add options to exclude a particular sdk
* typo
* Update APIDiff script / docs
* Remove old script / docs
* Fix name of script
* Apply feedback
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Co-authored-by: Eric StJohn <ericstj@microsoft.com>
