Initial commit: RIPE CIDR/FQDN collector

Collector daemon, FastAPI server (addresses, diff, collect, sources),
SQLite storage with change journal, Docker Compose deployment,
tests, documentation and project rules.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

config.json

@@ -0,0 +1,20 @@
+{
+    "asns": [
+        62014,
+        62041,
+        59930,
+        44907,
+        211157,
+        11917
+    ],
+    "fqdns": [
+        "api.whatsapp.com",
+        "web.whatsapp.com",
+        "faq.whatsapp.com"
+    ],
+    "schedule": {
+        "asn": "*/15 * * * *",
+        "fqdn": "0 3 * * *"
+    },
+    "ttl_days": 90
+}