describe branches setup in README
MODIFY
README.md
README.md
![Travis State](https://api.travis-ci.com/AFLplusplus/AFLplusplus.svg?branch=master)
- Release Version: 2.62c
+ Release Version: [2.62c](https://github.com/AFLplusplus/AFLplusplus/releases)
Github Version: 2.62d
Note that although afl now has a Google afl repository [https://github.com/Google/afl](https://github.com/Google/afl),
it is unlikely to receive any noteable enhancements: [https://twitter.com/Dor3s/status/1154737061787660288](https://twitter.com/Dor3s/status/1154737061787660288)
+## Branches
+
+ The following branches exist:
+
+ * [master/trunk](https://github.com/AFLplusplus/AFLplusplus/) : stable state of afl++ - it is synced from dev from time to
+ time when we are satisfied with it's stability
+ * [dev](https://github.com/AFLplusplus/AFLplusplus/tree/dev) : development state of afl++ - bleeding edge and you might catch a
+ checkout which does not compile or has a bug. *We only accept PRs in dev!!*
+ * (any other) : experimental branches to work on specific features or testing
+ new functionality or changes
+
+ For releases, please see the [Releases](https://github.com/AFLplusplus/AFLplusplus/releases) tab.
## The enhancements compared to the original stock afl

describe branches setup in README