Add files property in package for smaller release, bump version

Author: robertleeplummerjr

package.json

@@ -1,11 +1,12 @@
 {
   "name": "matrix-log.js",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "A matrix log dependency utility. Useful for converting and testing algorithm behavior of CPU code to GPU code.",
   "main": "index.js",
   "scripts": {
     "test": "jest --env=node"
   },
+  "files": ["index.js"],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/gpujs/matrix-log.js.git"