Merge pull request #5959 from aleeusgr/add-toplevel-changelog

add toplevel changelog

CHANGELOG.md

@@ -0,0 +1,14 @@
+## Changelog
+
+Changelogs for components can be found as follows:
+
+- [trace-resources](https://github.com/IntersectMBO/cardano-node/blob/master/trace-resources/CHANGELOG.md)  
+- [trace-dispatcher](https://github.com/IntersectMBO/cardano-node/blob/master/trace-dispatcher/CHANGELOG.md) 
+- [cardano-testnet](https://github.com/IntersectMBO/cardano-node/blob/master/cardano-testnet/CHANGELOG.md) 
+- [cardano-submit-api](https://github.com/IntersectMBO/cardano-node/blob/master/cardano-submit-api/CHANGELOG.md) 
+- [trace-forward](https://github.com/IntersectMBO/cardano-node/blob/master/trace-forward/CHANGELOG.md) 
+- [cardano-tracer](https://github.com/IntersectMBO/cardano-node/blob/master/cardano-tracer/CHANGELOG.md)  
+- [cardano-node-capi](https://github.com/IntersectMBO/cardano-node/blob/master/cardano-node-capi/CHANGELOG.md) 
+- [bench/tx-generator](https://github.com/IntersectMBO/cardano-node/blob/master/bench/tx-generator/CHANGELOG.md) 
+- [bench/trace-analyzer](https://github.com/IntersectMBO/cardano-node/blob/master/bench/trace-analyzer/CHANGELOG.md) 
+