Don't kill program if can't connect to read server

src/databases/Postgres.ts

@@ -53,6 +53,7 @@ export class Postgres implements IDatabase {
         });
 
         if (this.config.postgresReadOnly && this.config.postgresReadOnly.enabled) {
+            try {
                 this.poolRead = new Pool({
                     ...this.config.postgresReadOnly
                 });
@@ -66,6 +67,9 @@ export class Postgres implements IDatabase {
                         Logger.error(`poolRead (postgres): ${err}`);
                     }
                 });
+            } catch (e) {
+                Logger.error(`poolRead (postgres): ${e}`);
+            }
         }
 
         if (!this.config.readOnly) {