chore: add missing SPDX ID and workflow check (#13570)

* chore: add workflow which checks if SPDX ID exists

* chore: add missing SPDX ID in some files

* chore: change trigger condition

* chore: trigger on push

* lint

packages/frontend/src/scripts/check-reaction-permissions.ts

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
 import * as Misskey from 'misskey-js';
 import { UnicodeEmojiDef } from './emojilist.js';
 

packages/frontend/src/scripts/clear-cache.ts

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
 import { unisonReload } from '@/scripts/unison-reload.js';
 import * as os from '@/os.js';
 import { miLocalStorage } from '@/local-storage.js';

packages/frontend/src/scripts/code-highlighter.ts

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
 import { bundledThemesInfo } from 'shiki';
 import { getHighlighterCore, loadWasm } from 'shiki/core';
 import darkPlus from 'shiki/themes/dark-plus.mjs';

packages/frontend/src/scripts/media-has-audio.ts

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
 export default async function hasAudio(media: HTMLMediaElement) {
 	const cloned = media.cloneNode() as HTMLMediaElement;
 	cloned.muted = (cloned as typeof cloned & Partial<HTMLVideoElement>).playsInline = true;