Append trailing / to config.host if not present

src/ts/server/config.ts

@@ -58,6 +58,11 @@ export const args = argv as AppArgs;
 export const { version, description }: AppPackage = require('../../../package.json');
 export const config: AppConfig = require('../../../config.json');
 
+// append / to host if the server op forgot it
+if (!config.host.endsWith('/')) {
+	config.host += '/';
+}
+
 const INSECURE_RANDOM_VALUES = [
 	'gfhfdshtrdhgedryhe4t3y5uwjthr',
 	'sdlfgihsdor8ghor8dgdrgdegrdg',