feat(config-files): support sync data flow for backward compat

Author: Char2sGu

packages/config-files/src/parser.ts

@@ -1,7 +1,7 @@
 import { Exception } from '@angularity/core';
 
 export interface ConfigFileParser {
-  parse(raw: string): Promise<object>;
+  parse(raw: string): object | Promise<object>;
 }
 
 export class ConfigFileParsingException extends Exception {}

packages/config-files/src/validator.ts

@@ -1,7 +1,7 @@
 import { Exception } from '@angularity/core';
 
 export interface ConfigFileValidator<Schema> {
-  validate(schema: Schema, parsed: object): Promise<void>;
+  validate(schema: Schema, parsed: object): void | Promise<void>;
 }
 
 export class ConfigFileValidationException extends Exception {}