Initial implementation of video_probe (Rust)

Core modules:
- probe.rs: ffprobe execution logic
- parser.rs: JSON parsing logic
- output.rs: Output formatting
- lib.rs: Library interface
- main.rs: CLI entry point

Features:
- Extract video metadata using ffprobe
- Parse video/audio/subtitle streams
- Save to JSON file
- Console summary output

Documentation:
- Added QUICKSTART.md
- Added ENVIRONMENT_SETUP_REPORT.md

target/debug/.fingerprint/jiff-2c3c355319e5a52b/invoked.timestamp

@@ -0,0 +1 @@
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target/debug/.fingerprint/jiff-2c3c355319e5a52b/lib-jiff

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+7f17a95911f52301

target/debug/.fingerprint/jiff-2c3c355319e5a52b/lib-jiff.json

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