feat: event management and websocket for updates

sparse-server/migrations/20250221035300_beacon_config_mto1.sql

@@ -0,0 +1,19 @@
+DROP TABLE beacon_config_assignment;
+DROP TABLE beacon_instance;
+
+CREATE TABLE beacon_instance (
+    beacon_id varchar PRIMARY KEY NOT NULL,
+    template_id int NOT NULL,
+    peer_ip varchar NOT NULL,
+    nickname varchar NOT NULL,
+
+    cwd varchar NOT NULL,
+    operating_system varchar NOT NULL,
+    beacon_userent varchar NOT NULL,
+    hostname varchar NOT NULL,
+
+    config_id int,
+
+    FOREIGN KEY (template_id) REFERENCES beacon_template,
+    FOREIGN KEY (config_id) REFERENCES beacon_config
+);