docs: OpenCPU, OpenMemory, OpenGPU and OpenBandwidth, the resources of a server purchase

Four resource specifications under OpenServer, one per thing that is
negotiable when a server is bought. Each is the block of an OpenServer
offer (compute, memory, gpu, network) written down on its own, with the
units OpenServer 0.1 already uses (vcpu, cores, ram_mb, vram_mb,
bandwidth_mbps, transfer_gb, ipv4, ipv6) and one new shape shared by all
four: `range`, the field a buyer can dial at checkout, its bounds, the
step and what a step costs on top of the base price.

- OpenCPU: threads against cores, the processor by its vendor name,
  dedicated, shared or burstable allocation.
- OpenMemory: mebibytes, DDR generation, ECC as three states, reserved,
  balloonable or shared; wins over compute.ram_mb when both are present.
- OpenGPU: the card by its vendor name, count and VRAM per device,
  interconnect, passthrough, MIG, vGPU or shared access.
- OpenBandwidth: port, four meters (transfer, unmetered, percentile,
  flat), overage, IPv4 and IPv6 addresses as a priced resource.

A provider that sells only one resource lists it as an OpenServer offer
and may serve the same document at /.well-known/<slug>.json. Landing
pages share one component (resource-spec-page.tsx). Registered in
DOC_SLUGS, NAV, STATIC_ROUTES and llms.txt. OpenServer, OpenFile and
OpenDisk arrive in sibling PRs.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014cmNRtR2vL1p89dbVQ7FZJ

apps/logicsrc-web/src/lib/docs.ts

@@ -21,6 +21,10 @@ export const DOC_SLUGS = [
   "openmcp",
   "openaccess",
   "openstream",
+  "opencpu",
+  "openmemory",
+  "opengpu",
+  "openbandwidth",
   "openspec-comparison",
   "data-model",
   "cli",