java 25 iOS JVM shizzle

contents:

• openjdk-25-clone/: just a clone of openjdk 25
• angelauramc-openjdk-build/: the helper build scripts, wrappers, and patches for getting it working on ios (folder name is because I straight up skidded from you guys 🧌)
• files_mod.txt: list of all files that were modified
• patch_icache.sh: local helper patch for the iOS icache change.