Fix grammatical error, rewrite to make clearer

The semicolon between "instead of depending on a released version" and "your contributors can also conveniently update the docs as they implement features" is grammatically incorrect because the two clauses are not independent. This rewrites the sentence to be more clear without the grammatical error.

website/docs/installation.mdx

@@ -106,7 +106,7 @@ my-website
 
 ### Monorepos {#monorepos}
 
-If you are using Docusaurus for documentation of an existing project, a monorepo may be the solution for you. Monorepos allow you to share dependencies between similar projects. For example, your website may use your local packages to showcase the latest features, instead of depending on a released version; your contributors can also conveniently update the docs as they implement features. An example monorepo folder structure is below:
+If you are using Docusaurus for documentation of an existing project, a monorepo may be the solution for you. Monorepos allow you to share dependencies between similar projects. For example, your website may use your local packages to showcase latest features instead of depending on a released version. Then, your contributors can update the docs as they implement features. An example monorepo folder structure is below:
 
 ```bash
 my-monorepo