Typo Javascript→JavaScript

[JunaidbhaiAk]

Purpose

Typo "Javascript"→"JavaScript"
https://github.com/Azure-Samples/communication-services-javascript-quickstarts/blob/main/add-1-on-1-phone-calling/README.md
https://docs.microsoft.com/en-us/samples/azure-samples/communication-services-javascript-quickstarts/add-1-on-1-phone-calling-to-your-application/
#PingMSFTDocs

• ...

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[x] Documentation content changes
[ ] Other... Please describe:

[WilliamDAssafMSFT]

@JunaidbhaiAk congratulations on your first Pull Request!