Merge pull request #2899 from Bilb/chore/add-supported-platforms-readme

chore: add supported platforms in readme

README.md

@@ -12,6 +12,10 @@ Session integrates directly with [Oxen Service Nodes](https://docs.oxen.io/about
 
 Please search for any [existing issues](https://github.com/oxen-io/session-desktop/issues) that describe your bug in order to avoid duplicate submissions. <br><br>Submissions can be made by making a pull request to our development branch.If you don't know where to start contributing please read [Contributing.md](CONTRIBUTING.md) and refer to issues tagged with the [Good-first-issue](https://github.com/oxen-io/session-desktop/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22) tag.
 
+## Supported platforms
+
+Session requires Windows 10 or later, macOS Catalina (10.15) or later, or a linux distribution with glibc 2.28 or later like Debian 10 or Ubuntu 20.04.
+
 ## Build instruction
 
 Build instructions can be found in [Contributing.md](CONTRIBUTING.md).