Change log summary for first release (#1311)

## Description

Initial release feature level changelog summary

## Type of change

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

## Issue(s)

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

## Test Plan

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

CHANGELOG.md

@@ -1,4 +1,5 @@
 # Changelog
+
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
@@ -8,3 +9,30 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 [Unreleased]: https://github.com/https://github.com/alcionai/corso/compare/...HEAD
 
+## v0.0.1 (alpha)
+
+Release date: 2022-10-24
+
+### New features
+
+* Supported M365 Services
+  * Exchange - email, events, contacts
+  * OneDrive - files
+
+* Backup workflows
+  * Create a full backup
+  * Create a backup for a specific service and all or some data types
+  * Create a backup for all or a specific user
+  * Delete a backup manually
+
+* Restore workflows
+  * List, filter, and view backup content details
+  * Restore one or more items or folders from backup
+  * Non-destructive restore to a new folder/calendar in the same account
+
+* Backup storage
+  * Zero knowledge encrypted backups with user controlled passphrase
+  * Initialize and connect to an S3-compliant backup repository
+
+* Miscellaneous
+  * Optional usage statistics reporting