Prune superseded weekly snapshots

Update README for height 2577216

Update checksums

Weekly snapshot at height 2577216 (full index)

Weekly snapshot at height 2577216 (no index)

Prune superseded weekly snapshots

Update README for height 2537439

Update checksums

Weekly snapshot at height 2537439 (full index)

Weekly snapshot at height 2537439 (no index)

Prune superseded weekly snapshots

Update README for height 2497573

Update checksums

Weekly snapshot at height 2497573 (full index)

Weekly snapshot at height 2497573 (no index)

Prune superseded weekly snapshots

Update README for height 2457570

Update checksums

Weekly snapshot at height 2457570 (full index)

Weekly snapshot at height 2457570 (no index)

Fix SHA256 hashes and best block hash for height 2418008

Prune superseded weekly snapshots

Update README for height 2418008

Update checksums

Weekly snapshot at height 2418008 (full index)

Weekly snapshot at height 2418008 (no index)

Update README for height 2378678

Update checksums

Weekly snapshot at height 2378678 (full index)

Weekly snapshot at height 2378678 (no index)

Remove January snapshot: superseded by 20260819 packages, and it shipped peers.dat

Add checksums

Document both snapshot variants and install steps

Add full-index full node snapshot at height 2359039

Add no-index full node snapshot at height 2359039

Upload PHICOIN_20260114.7z

initial commit