build(pkg): update homepage to GitHub Pages URL

Author: Mearman

package.json

@@ -3,7 +3,7 @@
   "version": "1.0.5",
   "description": "SysProM — System Provenance Model CLI and library",
   "author": "ExaDev",
-  "homepage": "https://github.com/ExaDev/SysProM#readme",
+  "homepage": "https://exadev.github.io/SysProM",
   "bugs": "https://github.com/ExaDev/SysProM/issues",
   "repository": {
     "type": "git",