Add license headers, add @mediabunny/server to build process, add doc blocks, small fixes

packages/server/src/audio-encoder.ts

@@ -1,4 +1,19 @@
-import { AudioCodec, AudioSample, CustomAudioEncoder, MaybePromise, QUALITY_MEDIUM, EncodedPacket } from 'mediabunny';
+/*!
+ * Copyright (c) 2026-present, Vanilagy and contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+import {
+	AudioCodec,
+	AudioSample,
+	CustomAudioEncoder,
+	type MaybePromise,
+	QUALITY_MEDIUM,
+	EncodedPacket,
+} from 'mediabunny';
 import * as NodeAv from 'node-av';
 import { CODEC_TO_CODEC_ID, fromAudioSampleFormat, getChannelLayout } from './misc';
 import { assert, toUint8Array } from '../../../src/misc';