[Broken Links] Due to the passage of time, there are some broken links in our old files.

[MatthewJeffson]

Overview: There are some broken links in our old files.

• With the GitHub update, we experienced an invalid URL error due to the feature of URL.
• Along with checking we found that we had some wrong links in our old files. Hence, we need to update the page.

Assignment acceptance

• We are welcome anyone working with us!
• Leave your Github Name below to indicate that you are willing to accept the assignment.
• If you are taking on the assignment for the first time, you may receive an invitation in your GitHub mail.

Requirements(check list)

• [x] Locate all the broken links. reference: GitHub Action
• [ ] Update the pages with broken links.