Hintful Audio Cues

Added

• Add pause menu dialog, following Smithed convention.
• Add hintful_advancements:repair function (run automatically on pack load) to repair broken installations.

Changed

• Declare support for data formats 89-95 and resource formats 70-76.
• Revise build script to use PackSquash to produce optimized .zip files.
• Stop including changelog in pack .zip, since pause menu and README now link to it.
• Move all internal advancements from technical folder to internal folder. If you made a data pack overriding the behavior of these custom advancements, you'll need to update it accordingly.