mprocs compatible oprocs with electron GUI

• Auto-loads mprocs.yaml or oprocs.yaml in folder where it's run
• Start/restart/stop individual or all processes
• Writes lockfile with process IDs to auto kill-and-restart when restarting oprocs after improper shutdown
• "open" button with auto-detect for vite-react, fastapi and drizzle-studio to open in browser
• Extensive output filtering