Add flag to support ssl connections

cmd/abc/appbase_import.go

@@ -54,6 +54,7 @@ func runImport(args []string) error {
 	test := flagset.Bool("test", false, `if set to true, only pipeline is created and sync is not started. 
 		Useful for checking your configuration`)
 	sacPath := flagset.String("sac_path", "./ServiceAccountKey.json", "Path to firebase service account credentials file")
+	ssl := flagset.Bool("ssl", false, "Enable SSL connection to the source.")
 	requestSize := flagset.Int64("request_size", 2<<19, "Http request size in bytes, specifically for bulk requests to ES.")
 	bulkRequests := flagset.Int("bulk_requests", 1000, "Number of bulk requests to send during a network request to ES.")
 
@@ -93,9 +94,9 @@ func runImport(args []string) error {
 		"tail":             *tail,
 		"typeName":         *typeName,
 		"replication_slot": *replicationSlot,
-		// "timeout":          *timeout,
 		"srcRegex":         *srcRegex,
 		"sacPath":          *sacPath,
+		"ssl":              *ssl,
 		"_transform_":      *transformFile,
 	}