add setup nyc --coverage 🗽 ..

Author: 3imed-jaberi

.nycrc

@@ -0,0 +1,15 @@
+{
+  "extension": [
+    ".js"
+  ],
+  "exclude": [
+    "test"
+  ],
+  "reporter": [
+    "text-lcov",
+    "text",
+    "lcov"
+  ],
+  "report-dir": "./coverage",
+  "temp-dir": "./.nyc_output"
+}