release: 0.1.0-beta.0 (#204)

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IF THERE IS NO LINKED ISSUE) -->

## Description

Release PR

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ecrs"
-version = "0.1.0-alpha.0"
+version = "0.1.0-beta.0"
 edition = "2021"
 readme = "README.md"
 repository = "https://github.com/ecrs-org/ecrs"
@@ -11,6 +11,7 @@ Evolutionary computation tools & algorithms
 keywords = ["evolution", "evolutionary", "algorithms", "genetic"]
 categories = ["science"]
 license-file = "LICENSE.md"
+license = "MIT"
 exclude = [
 	".github/*",
 	"example/*"