[Bug] The TOML parser doesn't keep comments when saving.

[flerouwu]

Checks

• I have verified that there are no other opened issues regarding this bug.
• I am confident that this is a bug report.

Describe the bug

When saving the TOML changes to disk, it doesn't keep the comments that were provided
when the file was loaded.

To Reproduce

Steps to reproduce the behavior:

1. Launch Bismuth.
2. Change a value in game (not implemented, but can be done in code).
3. Save the changes.
4. Observe that the comments aren't kept.

Expected behavior

The comments to save. The TOML library we are using (Toml4j) doesn't support comments.
There's a PR open in Toml4j's repository that implements this.

Suggested Solution

Fork the Toml4j project found and implement the PR https://www.github.com/mwanji/toml4j/pull/65.

Screenshots

Versions

Bismuth version (/bismuth version): Latest dev (6c19173) with local changes.

Java version (java --version): N/A

Launcher (e.g. Prism, MultiMC, Vanilla, etc.): N/A

Other mods (e.g. Optifine HD U M5): N/A

Crash log (if applicable)

N/A

Game log

N/A

Additional Information

N/A

• I have completed this template to the best of my ability, providing all information needed to reproduce and fix
  this issue.