feat: enhance evobgp with new command-line tools for bundle management, including pull, verify, and apply functionalities. Update go.mod to include necessary dependencies and complete todos in architecture plan for improved observability and deployment practices.

internal/domain/module.go

@@ -0,0 +1,10 @@
+// Package domain holds pure types and invariants without I/O (plan §1).
+package domain
+
+// Module kinds for prefix sources (plan §6, §7.3).
+const (
+	ModuleASPrefixes = "AS_PREFIXES"
+	ModuleCDNCIDRs   = "CDN_CIDRS"
+	ModuleDomains    = "DOMAINS"
+	ModuleIPRanges   = "IP_RANGES"
+)