feat: Add detection for root files (e.g. ui5.yaml)

- Add js-yaml npm library for YAML-parsing (https://www.npmjs.com/package/js-yaml)

package.json

@@ -66,8 +66,10 @@
 		"@ui5/logger": "^3.0.0",
 		"@ui5/project": "^3.9.1",
 		"chalk": "^5.3.0",
+		"data-with-position": "^0.5.0",
 		"figures": "^6.1.0",
 		"he": "^1.2.0",
+		"js-yaml": "^4.1.0",
 		"json-source-map": "^0.6.1",
 		"sax-wasm": "^2.2.4",
 		"typescript": "5.3.x",
@@ -82,6 +84,7 @@
 		"@istanbuljs/nyc-config-typescript": "^1.0.2",
 		"@stylistic/eslint-plugin": "^1.7.0",
 		"@types/he": "^1.2.3",
+		"@types/js-yaml": "^4.0.9",
 		"@types/node": "^20.12.5",
 		"@types/sinon": "^17.0.3",
 		"@types/update-notifier": "^6.0.8",

src/linter/lintWorkspace.ts

@@ -2,6 +2,7 @@ import {AbstractAdapter} from "@ui5/fs";
 import lintXml from "./xmlTemplate/linter.js";
 import lintJson from "./manifestJson/linter.js";
 import lintHtml from "./html/linter.js";
+import lintUI5Yaml from "./yaml/linter.js";
 import {taskStart} from "../util/perf.js";
 import TypeLinter from "./ui5Types/TypeLinter.js";
 import LinterContext, {LintResult, LinterParameters, LinterOptions} from "./LinterContext.js";
@@ -20,6 +21,7 @@ export default async function lintWorkspace(
 		lintXml(params),
 		lintJson(params),
 		lintHtml(params),
+		lintUI5Yaml(params),
 	]);
 
 	const typeLinter = new TypeLinter(params);