feat: Initialize Zastava Webhook service with TLS and Authority authentication

- Added Program.cs to set up the web application with Serilog for logging, health check endpoints, and a placeholder admission endpoint.
- Configured Kestrel server to use TLS 1.3 and handle client certificates appropriately.
- Created StellaOps.Zastava.Webhook.csproj with necessary dependencies including Serilog and Polly.
- Documented tasks in TASKS.md for the Zastava Webhook project, outlining current work and exit criteria for each task.

samples/runtime/python-venv/README.md

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+# Python Virtual Environment Fixture
+
+The fixture mimics a trimmed `site-packages/` layout with three common dependencies (`requests`, `urllib3`, `certifi`). Each package exposes a `*.dist-info/METADATA` file so the analyzer bench can validate parsing performance and header extraction.
+
+Files intentionally omit wheels and bytecode to keep the tree compact while still realistic.

samples/runtime/python-venv/lib/python3.11/site-packages/certifi-2024.6.2.dist-info/METADATA

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+Metadata-Version: 2.1
+Name: certifi
+Version: 2024.6.2
+Summary: Mozilla SSL Certificates.
+License: MPL-2.0

samples/runtime/python-venv/lib/python3.11/site-packages/requests-2.32.0.dist-info/METADATA

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+Metadata-Version: 2.1
+Name: requests
+Version: 2.32.0
+Summary: Python HTTP for Humans.
+License: Apache-2.0
+Requires-Dist: urllib3 (>=1.21.1,<3)
+Requires-Dist: certifi (>=2017.4.17)

samples/runtime/python-venv/lib/python3.11/site-packages/urllib3-2.2.1.dist-info/METADATA

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+Metadata-Version: 2.1
+Name: urllib3
+Version: 2.2.1
+Summary: HTTP library with thread-safe connection pooling.
+License: MIT