Toaster/release notes (#880)

* Add release notes

* Update readme

---------

Co-authored-by: Tyler Ruppert <{ID}+{username}@users.noreply.github.com>

README.md

@@ -52,14 +52,14 @@ We have active, helpful communities on Twitter and Telegram.
 See [Release procedure](CONTRIBUTING.md#release-procedure) for more information about the release model.
 
 ## Active Networks
-* Testnet `paloma-testnet-15` (January 20, 2023) - current tag v1.2.0
-* Mainnet `messenger` (February 2, 2023) - current tag: v1.2.0
+* Testnet `paloma-testnet-15` (January 20, 2023)
+* Mainnet `messenger` (February 2, 2023)
 
 
 ## Join an active Network
 
 > #### Note:
-> Some have seen errors with GLIBC version differences with the downloaded binaries for v1.2.0. This is caused by a difference in the libraries of the host that built the binary and the host running the binary.
+> Some have seen errors with GLIBC version differences with the downloaded binaries. This is caused by a difference in the libraries of the host that built the binary and the host running the binary.
 >
 > If you experience these errors, please pull down the code and build it, rather than downloading the prebuilt binary
 
@@ -77,7 +77,7 @@ rm -r ~/.paloma/data/wasm/cache
 ### To get the latest prebuilt `palomad` binary:
 
 ```shell
-wget -O - https://github.com/palomachain/paloma/releases/download/v1.2.0/paloma_Linux_x86_64.tar.gz | \
+wget -O - https://github.com/palomachain/paloma/releases/download/v1.3.0/paloma_Linux_x86_64.tar.gz | \
  sudo tar -C ~/ -xvzf - palomad
 sudo chmod +x /usr/local/bin/palomad
 ```
@@ -87,7 +87,7 @@ sudo chmod +x /usr/local/bin/palomad
 ```shell
 git clone https://github.com/palomachain/paloma.git
 cd paloma
-git checkout v1.2.0
+git checkout v1.3.0
 make build
 sudo mv ./build/palomad /usr/local/bin/palomad
 ```

RELEASE_NOTES.md

@@ -0,0 +1,9 @@
+## What's Changed
+* Update README for latest release by @ToasterTheBrave in https://github.com/palomachain/paloma/pull/873
+* Adding some mocks needed by pigeon by @ToasterTheBrave in https://github.com/palomachain/paloma/pull/875
+* Add error data to messages in turnstone queue by @ToasterTheBrave in https://github.com/palomachain/paloma/pull/876
+* Update README.md by @verabehr in https://github.com/palomachain/paloma/pull/877
+* Fix payload sender appending by @ToasterTheBrave in https://github.com/palomachain/paloma/pull/879
+
+
+**Full Changelog**: https://github.com/palomachain/paloma/compare/v1.2.0...v1.3.0