Fix Azure Function capitalization (#108)

Typo "Azure function app"→"Azure Function App" (#107)

https://docs.microsoft.com/en-us/samples/officedev/pnp-officeaddins/integrate-an-azure-function-with-your-excel-custom-function/

New web worker sample (#96)

* initial draft from Shaofeng

* add copyright headers

* rewrites to readme with images

* renaming job variables for clarity

* added UI animation for reference

* small code and comment cleanups

* added correct button icons

* added correct button icons

* update image

* Fixes and cleanup work to readme

* update manifests

* created cleaner localhost references (#97)

Co-authored-by: David Chesnut <davech@microsoft.com>

Co-authored-by: Maarten van Stam <aafvstam@users.noreply.github.com>

removed preview requirement (#102)

removed preview requirement (#102)

Add keyboard shortcuts PnP (#99)

* Add keyboard shortcuts PnP

* Update README.md dates

* Address PR comments

* Apply suggestions from code review

Co-authored-by: David Chesnut <davech@microsoft.com>

* Update Samples/excel-keyboard-shortcuts/README.md

Co-authored-by: David Chesnut <davech@microsoft.com>

Co-authored-by: David Chesnut <davech@microsoft.com>

HB of localized readme files (#76)

Co-authored-by: OfficeGlobal <OfficeGlobal@microsoft.com>

HB of localized readme files (#76)

Co-authored-by: OfficeGlobal <OfficeGlobal@microsoft.com>

[shared runtime] update to GA type libraries (#94)

* update to GA type libraries

* typo fix

Update shared runtime sample to use GA endpoint (#91)

* Switch from beta to GA endpoint

* remove certs as consumer must generate

* functions.html not needed for shared runtime

* fix declaration of g warning

* npm audit fix

* added functions chunk to webpack to load functions.js

* restore customfunction.associate calls for now