Add funding info and update workflows

Added a FUNDING.yml file to specify sponsorship details. Updated the CI workflow to include a new job for updating badges and improved PyPI version handling. Modified README badges and CLI to include a banner print function and adjusted version display.

.github/FUNDING.yml

@@ -0,0 +1 @@
+custom: https://xi-xu.me/#sponsorships

.github/workflows/ci.yml

@@ -85,7 +85,7 @@ jobs:
       name: pypi
       url: https://pypi.org/p/tzst
     permissions:
-      id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
+      id-token: write
 
     steps:
       - name: Download build artifacts
@@ -96,3 +96,53 @@ jobs:
 
       - name: Publish to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
+
+  update_badges:
+    needs: [build, publish]
+    if: always() && needs.build.result == 'success'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event_name == 'pull_request' && github.head_ref || github.ref }}
+
+      - name: Wait if this is after a publish
+        if: github.event_name == 'release' && github.event.action == 'published'
+        run: sleep 30
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
+      - name: Fetch PyPI version
+        id: pypi_version
+        run: |
+          pip install requests
+          python -c "
+          import requests, json
+          try:
+              data = requests.get('https://pypi.org/pypi/tzst/json').json()
+              version = data['info']['version']
+              print(f'PyPI version: {version}')
+          except Exception as e:
+              print(f'Error fetching version: {e}')
+              version = 'unknown'
+          print(f'::set-output name=version::{version}')
+          "
+
+      - name: Update README badge
+        run: |
+          echo "Updating PyPI badge with version: ${{ steps.pypi_version.outputs.version }}"
+          git config --local user.email "action@github.com"
+          git config --local user.name "GitHub Action"
+
+      - name: Commit and push changes
+        uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: "Update badges [skip ci]"
+          file_pattern: README.md
+          branch: ${{ github.event_name == 'pull_request' && github.head_ref || github.ref_name }}

README.md

@@ -2,10 +2,10 @@
 
 A Python library for creating and manipulating `.tzst`/`.tar.zst` archives using Zstandard compression.
 
-[![CI/CD](https://github.com/xixu-me/tzst/workflows/CI/CD/badge.svg)](https://github.com/xixu-me/tzst/actions)
-[![PyPI version](https://badge.fury.io/py/tzst.svg)](https://badge.fury.io/py/tzst)
-[![Python versions](https://img.shields.io/pypi/pyversions/tzst.svg)](https://pypi.org/project/tzst/)
-[![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
+[![CI/CD](https://github.com/xixu-me/tzst/actions/workflows/ci.yml/badge.svg)](https://github.com/xixu-me/tzst/actions/workflows/ci.yml)
+[![PyPI - Version](https://img.shields.io/pypi/v/tzst)](https://pypi.org/project/tzst/)
+[![GitHub License](https://img.shields.io/github/license/xixu-me/tzst)](LICENSE)
+[![Sponsor](https://img.shields.io/badge/Sponsor-violet)](https://xi-xu.me/#sponsorships)
 
 ## Features
 
@@ -30,7 +30,7 @@ pip install tzst
 ```bash
 git clone https://github.com/xixu-me/tzst.git
 cd tzst
-pip install -e .
+pip install .
 ```
 
 ### Development Installation

src/tzst/cli.py

@@ -10,6 +10,12 @@ from .core import create_archive, extract_archive, list_archive, test_archive
 from .exceptions import TzstArchiveError, TzstDecompressionError
 
 
+def print_banner() -> None:
+    """Print the version and copyright banner."""
+    print()
+    print(f"tzst {__version__} : Copyright (c) 2025 Xi Xu")
+
+
 def format_size(size: int) -> str:
     """Format file size in human-readable format."""
     size_float = float(size)
@@ -240,7 +246,7 @@ Command Reference:
     parser.add_argument(
         "--version",
         action="version",
-        version=f"tzst {__version__} : Copyright (c) 2025 Xi Xu",
+        version=f"tzst {__version__}",
     )
 
     subparsers = parser.add_subparsers(
@@ -313,6 +319,9 @@ Command Reference:
 
 def main(argv: Optional[List[str]] = None) -> int:
     """Main entry point for the CLI."""
+    print_banner()
+    print()
+
     parser = create_parser()
     args = parser.parse_args(argv)