Add Release Notes (#200)

* Updated readme with release notes
	modified:   README.md

* Reversed the order for release notes

README.md

@@ -34,7 +34,8 @@ right of the screen will show every network call.
 4. Click on the "Copy" link on the right of your public key and use that value
    to get some unities of MYASSET using the link
    `https://sep8-server.dev.stellar.org/friendbot?addr=<paste_your_address_here>`.
-   Refresh the [demo-wallet page](https://demo-wallet.stellar.org/) to see funds in your account.
+   Refresh the [demo-wallet page](https://demo-wallet.stellar.org/) to see funds
+   in your account.
 5. Select "SEP-8 Send" from the dropdown of MYASSET and click "Start" in the
    modal.
 6. In the "destination" field, input an address that also has a trustline to
@@ -107,6 +108,31 @@ yarn build
 
 ---
 
+## Release Notes
+
+### v1.2
+
+- SEP-06 now supported
+- SEP-08 now supported
+- Fixed a [bug](https://github.com/stellar/stellar-demo-wallet/issues/188) when
+  overriding home domain
+- Fixed an [issue](https://github.com/stellar/stellar-demo-wallet/issues/196)
+  where balance amounts were being overwritten
+- Sending to Muxed Accounts is now supported
+
+### [v1.1](https://github.com/stellar/stellar-demo-wallet/releases/tag/v1.1.0)
+
+- Fix for local CORS issue
+- Updated Sentry to log exceptions
+
+### v1.0
+
+- Revamped UI
+- All SEPs are integrated into one tool
+  - SEP-24 and SEP-31 are now found in the Asset action drop-down menus
+- Ablity to download logs
+- Claimable Balances supported
+
 ## Roadmap
 
 - [x] Improve local development story
@@ -116,7 +142,8 @@ yarn build
 - [x] Improve UX
 - [x] Implement SEP-31 support
 - [ ] Forward sep24.stellar.org traffic to demo-wallet.stellar.org
-- [ ] Deprecate older clients to use this tool instead (sep31-demo-client.netlify.app,sep24.stellar.org, sep6.stellar.org)
+- [ ] Deprecate older clients to use this tool instead
+      (sep31-demo-client.netlify.app, sep24.stellar.org, sep6.stellar.org)
 - [ ] Implement SEP-6 support
 - [ ] Implement SEP-8 support