Changed tsconfig.build.json to exclude specs instead of including jus…

…t source

tsconfig.build.json

@@ -18,5 +18,10 @@
 		"noImplicitReturns": true,
 		"lib": ["DOM", "ES2018", "ES2020"]
 	},
-	"include": ["packages/**/src/**/*"]
+	/**
+	 * Just for the sample, as it seems to include the specs files.
+	 * This is valid as long as we keep the tests in TS, as we plan
+	 * to move them to JS + TSDoc
+	 */
+	"exclude": ["packages/**/specs/**/*"]
 }