General search fix, status pattern match regex, find feeds on startup

app_urls/README.md

@@ -67,6 +67,8 @@ class Meta:
 
 * Database & initialization
     * Check initialize.sh on Dockerfile
+    * init_data.json
+        Insert URLs host of interest, RSS feeds, keyword searches, and Regex (escaped) status patterns to set "invalid" or "valid" URLs
 
 * Environment variables
     * In docker-compose.yml