Update with hacking section

README.md

@@ -331,6 +331,12 @@ Estimated People Required 0.250551
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+### Development
+
+If you want to hack away feel free! PR's are accepted. Some things to keep in mind. If you want to change a language definition you need to update `languages.json` and then run `go generate` which will convert it into the `processor/constants.go` file.
+
+For all other changes ensure you run all tests before submitting. You can do so using `go test ./...`. However for maximum coverage please run `test-all.sh` which will run `gofmt`, unit tests, race detector and then all of the integration tests. All of those must pass to ensure a stable release.
+
 ### API Support
 
 The core part of `scc` which is the counting engine is exposed publicly to be integrated into other Go applications. See https://github.com/pinpt/ripsrc for an example of how to do this. However as a quick start consider the following,