Bump version to 1.0.4

package.json

 {
   "name": "@adobe/jsonschema2md",
   "description": "Validate and document complex JSON Schemas the easy way.",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "main": "lib/main.js",
   "bin": {
     "jsonschema2md": "./cli.js"