Create publish

.github/workflows/publish

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+# Ultralytics YOLO 🚀, AGPL-3.0 license
+# Publish pip package to PyPI https://pypi.org/project/ultralytics-thop/
+
+name: Publish to PyPI
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+    inputs:
+      pypi:
+        type: boolean
+        description: Publish to PyPI
+
+jobs:
+  publish:
+    if: github.repository == 'ultralytics/thop' && github.actor == 'glenn-jocher'
+    name: Publish
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: "0" # pulls all commits (needed correct last updated dates in Docs)
+      - name: Set up Python environment
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+          cache: "pip" # caching pip dependencies
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip wheel build twine toml
+          pip install ultralytics --extra-index-url https://download.pytorch.org/whl/cpu
+      - name: Check PyPI version
+        shell: python
+        run: |
+          import os
+          import toml
+          from ultralytics.utils.checks import check_latest_pypi_version
+
+          # Read version from pyproject.toml
+          with open('pyproject.toml', 'r') as file:
+              pyproject_version = toml.load(file)['project']['version']
+          v_local = tuple(map(int, pyproject_version.split('.')))
+
+          # Compare with version on PyPI
+          v_pypi = tuple(map(int, check_latest_pypi_version('ultralytics-thop').split('.')))
+          print(f'Local version is {v_local}')
+          print(f'PyPI version is {v_pypi}')
+          d = [a - b for a, b in zip(v_local, v_pypi)]  # diff
+          increment = (d[0] == d[1] == 0) and (0 < d[2] < 3)  # only publish if patch version increments by 1 or 2
+          os.system(f'echo "increment={increment}" >> $GITHUB_OUTPUT')
+          os.system(f'echo "version={pyproject_version}" >> $GITHUB_OUTPUT')
+          if increment:
+              print('Local version is higher than PyPI version. Publishing new version to PyPI ✅.')
+        id: check_pypi
+      - name: Publish to PyPI
+        continue-on-error: true
+        if: (github.event_name == 'push' || github.event.inputs.pypi == 'true')  && steps.check_pypi.outputs.increment == 'True'
+        env:
+          PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
+        run: |
+          python -m build
+          python -m twine upload dist/* -u __token__ -p $PYPI_TOKEN