message: Add mention of the symbol server to the README
diff: @@ -11,7 +11,7 @@ If you have any questions, suggestions or problems or you can [create an issue](
  To install on windows run the appropriate installer for your OS ([64-bit](https://renderdoc.org/stable/1.0/RenderDoc_1.0_64.msi) | [32-bit](https://renderdoc.org/stable/1.0/RenderDoc_1.0_32.msi)) or download the portable zip from the [builds page](https://renderdoc.org/builds). On linux there is a [binary tarball](https://renderdoc.org/stable/1.0/renderdoc_1.0.tar.gz) available, or your distribution may package it. If not you can [build from source](CONTRIBUTING.md#compiling).
  -* **Downloads**: https://renderdoc.org/builds
  +* **Downloads**: https://renderdoc.org/builds ( [Symbol server](https://renderdoc.org/symbols) )
  * **Documentation**: [HTML online](https://renderdoc.org/docs), [CHM in builds](https://renderdoc.org/docs/renderdoc.chm), [Videos](http://www.youtube.com/user/baldurkarlsson/)
  * **Contact**: [baldurk@baldurk.org](mailto:baldurk@baldurk.org), [#renderdoc on freenode IRC](https://kiwiirc.com/client/irc.freenode.net/#renderdoc)
  * **Code of Conduct**: [Contributor Covenant](CODE_OF_CONDUCT.md)
  