Gentler Weather Sounds

• Replace rain4 with one with less background noise

Versions prior to 1.20.x may show an error in the pack selection screen, but the audio works.

• Replaced a particularly white noise-esque rain sound
• Re-unify all supported versions onto one release
• Made pack description look "fancy"
  • It's gold now

• Update pack.mcmeta for 1.21.9 changes

• Add lightning impact sounds

• Add 2 more rain sounds
• Tweaked sounds in the rain.above tag

• Balance audio levels
• Added the newer sounds to rain.above

• Added three new rain sounds!