link directly to getting started directions (#2232)

## Description

rather than link to the top level of the docs, this now goes straight to the quick-start.

## Does this PR need a docs update or release note?

- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x] ⛔ No 

## Type of change

<!--- Please check the type of change your PR introduces: --->
- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [x] 🗺️ Documentation
- [ ] 🤖 Test
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

## Issue(s)

<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* #<issue>

## Test Plan

<!-- How will this be tested prior to merging.-->
- [ ] 💪 Manual
- [ ] ⚡ Unit test
- [ ] 💚 E2E

README.md

@@ -20,7 +20,7 @@ services, possibly beyond M365, will expand based on the interest and needs of t
 
 # Getting Started
 
-See the [Corso Documentation](https://corsobackup.io/docs/intro) for more information.
+See the [Corso Quickstart](https://corsobackup.io/docs/quickstart/) on our docs page.
 
 # Building Corso