Adds "src" folder to package files for testing

Author: edorgeville

package.json

@@ -11,7 +11,8 @@
   "files": [
     "build",
     "!build/**/*.test.*",
-    ".node-version"
+    ".node-version",
+    "src/**/*"
   ],
   "scripts": {
     "start": "./build/cli.js",
@@ -54,4 +55,4 @@
     "ts-jest": "^26.1.4",
     "typescript": "^4.0.2"
   }
-}
+}