Change mod name

**Is your feature request related to a problem? Please describe.**

- We have "examplemod" for our project which default and noobish

**Describe the solution you'd like**

- Refactor "examplemod" --> onepiecemod

**Describe alternatives you've considered**

Alt option would be clean slate very do able till we get too deep

**Additional context**
Add any other context or screenshots about the feature request here.

N/A

Start by searching the repository for the identifier "examplemod" and map every occurrence before making changes. The requested result is to replace the default mod name with "onepiecemod" consistently; the issue does not name specific files, tests, or a verification command.

Written by the indexing model from the issue text.