Initial commit: GitHub Release Monitor CLI tool

CLI tool that tracks GitHub releases or tags from user-defined repositories
and exposes them as a subscribable RSS 2.0 feed.

Features:
- Track releases or tags per repository
- SQLite storage with automatic deduplication
- RSS 2.0 feed with markdown-stripped release notes
- Built-in HTTP server for local feed access
- Rate-limit-aware GitHub API client
- 64 passing tests

pyproject.toml

@@ -0,0 +1,22 @@
+[project]
+name = "ghrel"
+version = "0.1.0"
+description = "Track GitHub releases and tags as an RSS feed"
+requires-python = ">=3.12"
+dependencies = [
+    "httpx",
+    "markdown",
+    "bleach",
+]
+
+[project.scripts]
+ghrel = "src.cli:main"
+
+[project.optional-dependencies]
+test = [
+    "pytest",
+    "respx",
+]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]