Add js protocol package (#601)

* Add js protocol package

* add agent and webhook

* fix version

* remove unneeded tsconfig

* add index type file

* Add js release action

* test workflow

* install protoc

* install nodejs first

* remove dev branch

* move into packages folder

* add other files

* add egress, ingress, sip

* fix commit path

* Add types entry point

* add gitattributes

* no dry run

.gitattributes

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+packages/js/src/gen/* linguist-generated=true

.github/workflows/release-js.yaml

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+# Copyright 2023 LiveKit, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Generate and release JS protocol package
+
+on:
+  workflow_dispatch:
+  push:
+    branches: ["main"]
+
+defaults:
+  run:
+    working-directory: ./packages/js
+
+jobs:
+  generate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 8
+      - name: Use Node.js 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "pnpm"
+          cache-dependency-path: "packages/js/pnpm-lock.yaml"
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v3
+      - name: Install dependencies
+        run: pnpm install
+      - name: Version package
+        if: startsWith(github.event.ref, 'refs/tags/v')
+        run: npm version from-git
+      - name: Generate files
+        run: |
+          pnpm generate:version
+          pnpm generate:proto
+      - name: Add changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          add: '["packages/js"]'
+          default_author: github_actions
+          message: auto-generated JS files
+      - name: Publish
+        if: startsWith(github.event.ref, 'refs/tags/v')
+        run: pnpm ci:publish

packages/js/.gitignore

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+node_modules/

packages/js/package.json

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+{
+  "name": "@livekit/protocol",
+  "version": "13.0.0",
+  "description": "",
+  "type": "module",
+  "main": "src/index.js",
+  "types": "src/index.d.ts",
+  "files": [
+    "src"
+  ],
+  "scripts": {
+    "generate:version": "genversion --esm --semi src/gen/version.js",
+    "generate:proto": "protoc --es_out src/gen --es_opt target=js+dts -I=../../ ../../livekit_rtc.proto ../../livekit_models.proto ../../livekit_agent.proto ../../livekit_webhook.proto ../../livekit_egress.proto ../../livekit_ingress.proto ../../livekit_sip.proto",
+    "ci:publish": "pnpm publish"
+  },
+  "keywords": [],
+  "author": "LiveKit",
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "@bufbuild/buf": "^1.29.0",
+    "@bufbuild/protoc-gen-es": "^1.7.2",
+    "genversion": "^3.2.0"
+  },
+  "dependencies": {
+    "@bufbuild/protobuf": "^1.7.2"
+  }
+}