[$] Better tools for kernel developers

By many accounts, the kernel project uses outdated tooling, far behind thestate of the art that Kids Today tend to favor. The kernel's workflow hasworked well (enough) for years, but there are signs that it may not besustainable indefinitely. As a result, there has been an ongoing conversation aboutimproving the kernel's workflow, but little has changed so far. Thepostingof a simple tool called get-lore-mboxis a sign that the rate of change may be about to increase.