Add licence checker (#55)

Signed-off-by: achour94 <[email protected]>

Author: achour94

license-checker-config.json

@@ -0,0 +1,22 @@
+{
+    "onlyAllow": [
+        "MPL-2.0",
+        "MIT",
+        "Zlib",
+        "BSD-3-Clause",
+        "BSD-2-Clause",
+        "0BSD",
+        "Apache-2.0",
+        "ISC",
+        "Apache-Style",
+        "CC-BY-3.0",
+        "CC-BY-4.0",
+        "CC0-1.0",
+        "MIT AND CC-BY-3.0",
+        "MIT OR CC0-1.0",
+        "Artistic-2.0",
+        "Python-2.0",
+        "Unlicense"
+    ],
+    "excludePackages": []
+}