chore: add changelog (#424)

.github/PULL_REQUEST_TEMPLATE.md

@@ -24,3 +24,9 @@ thought of as being the motivation for your change.
 Summarize the solution and provide any necessary context needed to understand
 the code change.
 -->
+
+## PR Checklist
+
+- [ ] Added Tests
+- [ ] Added Documentation
+- [ ] Updated the changelog

CHANGELOG.md

@@ -0,0 +1,31 @@
+# Changelog
+
+## ethers-core
+
+### Unreleased
+
+### 0.5.2
+* Correctly RLP Encode transactions as received from the mempool ([#415](https://github.com/gakonst/ethers-rs/pull/415))
+
+## ethers-providers
+
+### Unreleased
+
+### 0.5.2
+* Set resolved ENS name during gas estimation ([1e5a9e](https://github.com/gakonst/ethers-rs/commit/1e5a9efb3c678eecd43d5c341b4932da35445831))
+
+## ethers-signers
+
+### Unreleased
+
+## ethers-contract
+
+### Unreleased
+
+## ethers-middleware
+
+### Unreleased
+
+## ethers
+
+### Unreleased

README.md

@@ -93,6 +93,8 @@ Thanks for your help improving the project! We are so happy to have you! We have
 [a contributing guide](https://github.com/gakonst/ethers-rs/blob/master/CONTRIBUTING.md) to
 help you get involved in the ethers-rs project.
 
+If you make a Pull Request, do not forget to add your changes in the [CHANGELOG](CHANGELOG.md).
+
 ## Related Projects
 
 This library would not have been possibly without the great work done in: