mention required Julia version (#104)

ranocha · web-flow · commit da131281d26f · 2023-02-21T12:34:32.000+01:00
* mention required Julia version

* set version to v2.17.1
diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "RootedTrees"
 uuid = "47965b36-3f3e-11e9-0dcf-4570dfd42a8c"
 authors = ["Hendrik Ranocha <mail@ranocha.de> and contributors"]
-version = "2.17.0"
+version = "2.17.1"
 
 [deps]
 Latexify = "23fbe1c1-3f47-55db-b15f-69d7ec21a316"
diff --git a/docs/src/index.md b/docs/src/index.md
@@ -15,6 +15,8 @@ is a registered Julia package. Thus, you can install it from the Julia REPL via
 ```julia
 julia> using Pkg; Pkg.add("RootedTrees")
 ```
+[RootedTrees.jl](https://github.com/SciML/RootedTrees.jl) works with
+Julia version 1.6 and newer.
 
 If you want to update RootedTrees.jl, you can use
 ```julia
