Change license of node-template and FRAME examples to MIT-0 (#13465)

* Change node-template license from Unlicense to MIT-0

* Change frame examples license from Unlicense to MIT-0

* Update bin/node-template/LICENSE

---------

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: parity-processbot <>

substrate/frame/examples/basic/Cargo.toml

@@ -3,7 +3,7 @@ name = "pallet-example-basic"
 version = "4.0.0-dev"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
-license = "Unlicense"
+license = "MIT-0"
 homepage = "https://substrate.io"
 repository = "https://github.com/paritytech/substrate/"
 description = "FRAME example pallet"

substrate/frame/examples/basic/README.md

@@ -237,4 +237,4 @@ pub trait Config: <INSERT_CUSTOM_PALLET_NAME>::Config { }
 // that the implementation is based on.
 </pre></p></details>
 
-License: Unlicense
+License: MIT-0