[JS] docs: Fixed broken link and changed naming of SDK to library. (#…

…1062)

#minor
This has some minor fixes to the JS readme that posts to NPM JS

## Attestation Checklist

- [x] My code follows the style guidelines of this project

- I have checked for/fixed spelling, linting, and other errors
- I have commented my code for clarity
- I have made corresponding changes to the documentation (we use
[TypeDoc](https://typedoc.org/) to document our code)
- My changes generate no new warnings
- I have added tests that validates my changes, and provides sufficient
test coverage. I have tested with:
  - Local testing
  - E2E testing in Teams
- New and existing unit tests pass locally with my changes

Co-authored-by: Carter <[email protected]>

js/packages/teams-ai/README.md

@@ -1,14 +1,15 @@
-# Teams AI SDK
+# Teams AI Library
 
-Welcome to the Teams AI SDK JavaScript package. See the [Teams AI repo README.md](https://github.com/microsoft/teams-ai), for general information, including updates on dotnet support.
+Welcome to the Teams AI Library JavaScript package. See the [Teams AI repo README.md](https://github.com/microsoft/teams-ai), for general information, including updates on dotnet support.
 
 Requirements:
 
 -   node v16.x
+-   node v18.x
 
 ## Getting Started: Migration v.s. New Project
 
-If you're migrating an existing project, switching to add on the Teams AI layer is quick and simple. For a more-detailed walkthrough, see the [migration guide](../../../getting-started/js/00.MIGRATION.md). The basics are listed below.
+If you're migrating an existing project, switching to add on the Teams AI layer is quick and simple. For a more-detailed walkthrough, see the [migration guide](https://github.com/microsoft/teams-ai/blob/main/getting-started/js/00.MIGRATION.md). The basics are listed below.
 
 ### Migration