Update README.md
Add link to Conan.
@@ -22,6 +22,9 @@ Releases can be downloaded from the
In addition, the following package manager are supported:
+Conan (C/C++):
+https://conan.io/center/tinyspline
+
Luarocks (Lua; currently only Linux and macOS):
```bash
luarocks install --server=https://msteinbeck.github.io/tinyspline/luarocks tinyspline
