Add changelog, update README with badges, and create PyPI publish workflow

- Added CHANGELOG.md to document project changes and adhere to Semantic Versioning.
- Updated README.md to include badges for CI, PyPI version, Python compatibility, and license.
- Introduced GitHub Actions workflow for automated publishing to PyPI upon version tag pushes.

Author: atasoglu

.github/workflows/publish.yml

@@ -0,0 +1,71 @@
+name: Publish to PyPI
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      id-token: write
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.9'
+
+    - name: Install build dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install build
+
+    - name: Build package
+      run: python -m build
+
+    - name: Extract changelog
+      id: changelog
+      env:
+        TAG_NAME: ${{ github.ref_name }}
+      run: |
+        python <<'PY'
+        import os
+        import pathlib
+        import re
+
+        tag = os.environ["TAG_NAME"]
+        version = tag[1:] if tag.startswith("v") else tag
+
+        changelog_path = pathlib.Path("CHANGELOG.md")
+        if changelog_path.exists():
+          changelog = changelog_path.read_text()
+          pattern = re.compile(rf"^## \[{re.escape(version)}\][^\n]*\n(.*?)(?=\n## \[|\Z)", re.DOTALL | re.MULTILINE)
+          section = pattern.search(changelog)
+          body = section.group(1).strip() if section else f"Release {version}"
+        else:
+          body = f"Release {version}"
+
+        if not body:
+          body = f"Release {version}"
+
+        output = pathlib.Path("release_notes.md")
+        output.write_text(body + "\n")
+        print(body)
+        PY
+
+    - name: Create Release
+      uses: softprops/action-gh-release@v2
+      with:
+        body_path: release_notes.md
+        generate_release_notes: false
+
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        password: ${{ secrets.PYPI_API_TOKEN }}
+

CHANGELOG.md

@@ -0,0 +1,15 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.1.0] - 2025-12-27
+
+### Added
+- Initial release
+- CLI tool to convert natural language prompts to structured JSON API responses
+- JSON Schema validation support
+- OpenAI integration with structured output format
+- Minimal dependencies and CLI-first design

README.md

@@ -1,5 +1,10 @@
 # ask2api
 
+[![CI](https://github.com/atasoglu/ask2api/actions/workflows/pre-commit.yml/badge.svg)](https://github.com/atasoglu/ask2api/actions/workflows/pre-commit.yml)
+[![PyPI version](https://badge.fury.io/py/ask2api.svg)](https://badge.fury.io/py/ask2api)
+[![Python 3.9+](https://img.shields.io/badge/python-3.9+-blue.svg)](https://www.python.org/downloads/)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+
 `ask2api` is a minimal Python CLI tool that turns natural language prompts into structured API-style JSON responses using LLM.
 
 It allows you to define a JSON Schema and force the model to answer strictly in that format.