update license checker (openkruise#4)

Signed-off-by: ChrisLiu <[email protected]>

Signed-off-by: ChrisLiu <[email protected]>

.license/README.md

@@ -0,0 +1,19 @@
+# License Checker
+
+Our license checker CI rely on [LicenseFinder](https://github.com/pivotal/LicenseFinder).
+
+## How to add a new license
+
+LicenseFinder is a ruby project, so make sure you have ruby installed.
+
+### Install the tool
+
+```shell
+gem install license_finder
+```
+
+### Add a license
+
+```shell
+license_finder  permitted_licenses add MIT --decisions_file .license/dependency_decisions.yml
+```

.license/dependency_decisions.yml

@@ -0,0 +1,43 @@
+---
+- - :permit
+  - MIT
+  - :who:
+    :why:
+    :versions: []
+    :when: 2021-03-12 07:35:34.645031000 Z
+- - :permit
+  - Apache 2.0
+  - :who:
+    :why:
+    :versions: []
+    :when: 2021-03-12 07:19:18.243194000 Z
+- - :permit
+  - New BSD
+  - :who:
+    :why:
+    :versions: []
+    :when: 2021-03-12 07:19:28.540675000 Z
+- - :permit
+  - Simplified BSD
+  - :who:
+    :why:
+    :versions: []
+    :when: 2021-03-12 07:20:01.774212000 Z
+- - :permit
+  - Mozilla Public License 2.0
+  - :who:
+    :why:
+    :versions: []
+    :when: 2021-03-12 07:21:05.194536000 Z
+- - :permit
+  - unknown
+  - :who:
+    :why:
+    :versions: []
+    :when: 2021-03-12 07:21:43.379269000 Z
+- - :permit
+  - ISC
+  - :who:
+    :why:
+    :versions: []
+    :when: 2021-03-12 07:22:07.265966000 Z