feat(gui): bring back the Inventory page — 0.17.0

Restore the GUI Inventory page (removed in 0.7.2 for the CLI). Sidebar Inventory
→ System/CPU/Firmware/Memory/GPU/Storage/Display cards, Copy Markdown / Save… /
Refresh; root-only dmidecode details (motherboard/BIOS/RAM) fill in after launch
elevation. Reuses the existing M5 core/inventory.py; CLI unchanged.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "rigdoctor"
-version = "0.16.0"
+version = "0.17.0"
 description = "Modular hardware monitoring & crash diagnostics for Linux gamers."
 readme = "README.md"
 requires-python = ">=3.11"