I would like help with creating a form that when submitted, creates a webpage which is able to be edited by whomever submits the form; I would also like this url/link to be added to a database.

Let's be clear here. You want to create something like https://www.google.com/webdesigner/ ?
Also, this site isn't about "gimme the code." You share where you are stuck such as "foo is undefined at line 42" and share what line 42 is and members may troubleshoot that. This site is also about many other things but your post has no question and sounds like a gimme the code/solution post.