Rollcall: bare-metal commissioning server, agent, image build, lab and CI

Go server (API, embedded web UI, CLI) backed by PostgreSQL with AES-GCM
sealed BMC secrets; Debian live commissioning agent and live-build recipe;
Proxmox lab with pve-vbmc virtual BMCs; Gitea workflows for CI, releases
and deployment; project website.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

deploy/config.example.json

@@ -0,0 +1,15 @@
+{
+  "listen": "10.213.77.1:80",
+  "image_dir": "/srv/rollcall/image",
+  "tftp_root": "/srv/tftp",
+  "database_url": "postgres://rollcall:<PGPASS>@127.0.0.1:5432/rollcall?sslmode=disable",
+  "master_key_file": "/etc/rollcall/master.key",
+  "admin_token": "<ADMIN-TOKEN: rollcall keygen>",
+  "agent_token": "<AGENT-TOKEN: rollcall keygen>",
+  "commission_append": "boot=live components fetch=http://10.213.77.1/rollcall/filesystem.squashfs rollcall.server=http://10.213.77.1 rollcall.token=<AGENT-TOKEN> console=tty0 console=ttyS0,115200n8",
+  "ipmitool": "ipmitool",
+  "bmc_hints": [
+    {"mac": "bc:24:11:8e:1e:6c", "address": "10.213.77.11", "port": 623, "user": "admin", "password": "password", "comment": "pxe-node01 (VM 211, pve-vbmc)"},
+    {"mac": "bc:24:11:36:90:3f", "address": "10.213.77.12", "port": 623, "user": "admin", "password": "password", "comment": "pxe-node02 (VM 212, pve-vbmc)"}
+  ]
+}