Add uv (Astral Python package manager) support

- Add uv package manager implementation following pip pattern
- Configure MITM proxy with CA bundle for PyPI packages
- Add shell integration (bash/zsh/fish/PowerShell)
- Conditional on --include-python flag
- Add 33 comprehensive E2E tests covering:
  - uv pip install/sync/compile commands
  - uv add for project dependencies
  - uv tool install for global tools
  - uv run --with for ephemeral dependencies
  - uv sync for project syncing
  - Malware blocking verification for all methods
- Update documentation and package.json
- Install uv in Docker test environment

packages/safe-chain/bin/aikido-uv.js

@@ -0,0 +1,15 @@
+#!/usr/bin/env node
+
+import { main } from "../src/main.js";
+import { initializePackageManager } from "../src/packagemanager/currentPackageManager.js";
+import { setEcoSystem, ECOSYSTEM_PY } from "../src/config/settings.js";
+import { UV_PACKAGE_MANAGER } from "../src/packagemanager/uv/uvSettings.js";
+
+// Set eco system
+setEcoSystem(ECOSYSTEM_PY);
+
+initializePackageManager(UV_PACKAGE_MANAGER);
+
+// Pass through only user-supplied uv args
+var exitCode = await main(process.argv.slice(2));
+process.exit(exitCode);