Update mechanical-object-section-1.mdx

Added stub to bottom of page and added link that should take user to the contributing page - did I do it right?

src/pages/hegel/reference/mechanical-object-section-1.mdx

@@ -15,4 +15,4 @@ What follows from the last quotation is a long remark about how Hegel’s accoun
 
 >“The Leibnizian *monad* would be more of an object since it is a total representation of the world, but confined within its *intensive subjectivity* it is supposed at least to be essentially *one* within itself. Nevertheless, the monad determined as an *exclusive one* is only a principle *that reflection assumes*. Yet the monad is an object, partly in that the ground of its manifold representations-of the developed, that is, the *posited* determinations of its merely *implicit* totality-lies *outside it*, and partly also in that it is indifferent to the monad that it constitutes an object *along with others*; it is thus in fact not *exclusive* or *determined for itself*” (712).
 
-**Here, I invite a scholar with knowledge of Leibniz and his monads to expound on the above paragraph.**
+** This page is a stub. Help us to expand it by contributing! Head on over to our [contributing](sphil/src/pages/contributing) to learn more!**