Feat operator hardmax

Context

issue : #27 (closed)

Modifications :

feat

• feat : [ADD] Hardmax operator
• rework of test_export : now checks return value of the main_compare that will return 1 if a difference is detected between expected & actual data 81357ee9
  • Related to aidge_core!417 (8b8b3a67)

Fix

• fix : removed set weight_size from softmax_config.jinja as softmax has no weights
• fix: error were previously not picked up as assertions were true in cas eof error

Chore

• chore : updated test names to avoid redundancy in unittest calls

• Upd gitignore : now includes generated test folders when calling tests from repo root

  python aidge_export_cpp/unit_tests/test_exports.py