Adding the license to state

JOOpdenhoevel · JOOpdenhoevel · commit 4135c8969402 · 2020-02-23T15:53:27.000+01:00
diff --git a/state/Cargo.toml b/state/Cargo.toml
@@ -3,6 +3,7 @@ name = "lv2-state"
 version = "1.0.0"
 authors = ["Jan-Oliver 'Janonard' Opdenhövel <jan.opdenhoevel@protonmail.com>"]
 edition = "2018"
+license = "MIT OR Apache-2.0"
 
 description = "rust-lv2's state handling library"
 readme = "README.md"
