Introduce envconfig package

package.json

@@ -42,6 +42,7 @@
     "@temporalio/cloud": "file:packages/cloud",
     "@temporalio/common": "file:packages/common",
     "@temporalio/create": "file:packages/create-project",
+    "@temporalio/envconfig": "file:packages/envconfig",
     "@temporalio/interceptors-opentelemetry": "file:packages/interceptors-opentelemetry",
     "@temporalio/nexus": "file:packages/nexus",
     "@temporalio/nyc-test-coverage": "file:packages/nyc-test-coverage",
@@ -87,6 +88,7 @@
     "packages/common",
     "packages/core-bridge",
     "packages/create-project",
+    "packages/envconfig",
     "packages/interceptors-opentelemetry",
     "packages/nexus",
     "packages/nyc-test-coverage",

packages/envconfig/README.md

@@ -0,0 +1,5 @@
+# `@temporalio/envconfig`
+
+[![NPM](https://img.shields.io/npm/v/@temporalio/envconfig?style=for-the-badge)](https://www.npmjs.com/package/@temporalio/envconfig)
+
+Part of [Temporal](https://temporal.io)'s [TypeScript SDK](https://docs.temporal.io/typescript/introduction/).

packages/envconfig/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "@temporalio/envconfig",
+  "version": "1.0.0",
+  "description": "Temporal.io SDK Environment Configuration sub-package",
+  "main": "lib/index.js",
+  "types": "./lib/index.d.ts",
+  "scripts": {},
+  "keywords": [
+    "temporal",
+    "environment",
+    "configuration",
+    "client"
+  ],
+  "author": "Temporal Technologies Inc. <[email protected]>",
+  "license": "MIT",
+  "dependencies": {
+    "@temporalio/common": "file:../common",
+    "@temporalio/worker": "file:../worker",
+    "smol-toml": "1.4.2"
+  },
+  "engines": {
+    "node": ">= 18.0.0"
+  },
+  "bugs": {
+    "url": "https://github.com/temporalio/sdk-typescript/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/temporalio/sdk-typescript.git",
+    "directory": "packages/envconfig"
+  },
+  "homepage": "https://github.com/temporalio/sdk-typescript/tree/main/packages/envconfig",
+  "publishConfig": {
+    "access": "public"
+  },
+  "files": [
+    "src",
+    "lib"
+  ]
+}