Add disk-load: no tool said a machine's iowait, disk load or who does the I/O (hq issue 312)

modules/disk-load/cmd/disk-load/main.go

@@ -0,0 +1,20 @@
+// The disk-load module's Go bundle (novox/hq ADR 0188, ADR 0193, issue 312): a process the node's
+// runtime launches and speaks MCP over stdio to. It reads the machine's storage load from /proc and
+// /sys — iowait, pressure stall, each disk's busy share, throughput, IOPS, wait and queue depth, the
+// filesystems' space and the processes doing the I/O — and changes nothing.
+package main
+
+import (
+	"fmt"
+	"os"
+
+	stdio "git.novox.be/novox/mesh-sdk/go"
+)
+
+func main() {
+	// An empty name serves as the module the runtime names (MESH_SERVED_MODULE): disk-load.
+	if err := stdio.Serve("", Tools(Here())); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}