Make links on a main page open in a new tab

[BlckHawker]

This feature would be off by default, but can be changed in the "Options" menu

• Have the links open in a new tab only if the check box is true
• Make sure the checkbox saves via cookies

The following links would be affected by this

• Module Link
• Steam, tutorial, and source code links
  • Mobile
  • Desktop
• All contact info links
• Periodic Table cells
• Puzzles
• Quizzes
• Experting Template
• DeMiL Mission Viewer
• Logfile Analyzer
• Profile Editor
• Mode Setting Editor
• Table of ignored modules
• Text Field Calculator
• Join us on Discord
• Glossary
• Intro to Playing with Mods
• Intro to Making Mods
• Tutorial videos playlist
• Repository Symbols Guide
• Challenge Bombs Site
• Mod ideas website
• Mod ideas: spreadsheet of past ideas
• Mod ideas: subreddit
• KtaneContent GitHub repository
• KtaneWeb GitHub repository