wujianjack

Add COPT support for Python-MIP

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This PR adds COPT support for Python-MIP, you can obtain the latest packages from https://github.com/COPT-Public/COPT-Release. For larger instances, a valid COPT license is required, you can apply one from https://www.shanshu.ai/copt.

[WIP] Add COPT support for Pyomo

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## Fixes None, new interface. ## Summary/Motivation: This PR adds COPT support to Pyomo, including APPSI, IIS, the NL IO (`coptampl`), the Python IO (`copt_direct` and `copt_persistent`). The first two...

## Description Please include a short summary of the change. Issue link (if applicable): ## Type of change - [x] New feature (backwards compatible) - [ ] New feature (breaking...