minecraft: add page

[Managor]

• The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• The page(s) have at most 8 examples.
• The page description(s) have links to documentation or a homepage.
• The page(s) follow the content guidelines.
• The page(s) follow the style guide.
• The PR title conforms to the recommended templates.
• Version of the command being documented (if known):

[tldr-bot]

The build for this PR failed with the following error(s):

pages/common/minecraft.md:10: TLDR005 Example descriptions should end in a colon with no trailing characters

Please fix the error(s) and push again.

[Managor]

The wiki page talks about -XX:+UnlockExperimentalVMOptions -XX:+UseZGC in newer java versions. I don't know enough to evaluate the java optimizations.

[spageektti]

The wiki page talks about -XX:+UnlockExperimentalVMOptions -XX:+UseZGC in newer java versions. I don't know enough to evaluate the java optimizations.

The wiki also says that "Tuning flags other than -Xmx are a lot less important" so I think we can just ignore that