Add files for NPM.

.npmignore

@@ -0,0 +1,8 @@
+# Ignore generated docs
+utils/doc/generated_docs
+
+# Ignore build utilities
+utils/build
+
+# Ignore examples
+examples

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "Pannellum",
+  "description": "Pannellum is a lightweight, free, and open source panorama viewer for the web.",
+  "version": "2.2.0",
+  "bugs": {
+    "url": "https://github.com/mpetroff/pannellum/issues"
+  },
+  "author": {
+    "name": "Matthew Petroff",
+    "url": "https://mpetroff.net/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mpetroff/pannellum.git"
+  },
+  "license": "MIT",
+  "homepage": "https://pannellum.org/",
+  "main": "build/pannellum.js",
+  "keywords": [
+    "panorama",
+    "viewer"
+  ]
+}