Update README.md

Explain why unpack/pack again give two different GCM iso
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tmpz23 2022-01-13 08:37:14 +01:00 committed by GitHub
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@ -23,7 +23,7 @@ Rebuild FST and patch boot.bin for a new apploader, dol, and add/remove/edit of
```
gcmtool.py -r iso_extract
```
Japanese charset is not handled for now.
Japanese charset is not handled for now. The original GCM iso and repack GCM iso are different must of the time. This is because GCM DVD contains "empty spaces" with data unused (old datas or random datas I don't know). So this datas are useless and loss during unpack.
### Extracted file tree
root folder contains all files of the extracted GCM iso