Add source and install_url to plugins.json entry

Author: mirkobozzetto

plugins.json

@@ -175,7 +175,9 @@
       "owner": "mirkobozzetto",
       "repo": "espresso",
       "description": "Full token-saving stack - output compression, global rules, RTK hook, Caveman ultra, GitNexus config. Detects existing setup, installs only what is missing.",
-      "category": "Development & Workflow"
+      "category": "Development & Workflow",
+      "source": "awesome-codex-plugins",
+      "install_url": "https://raw.githubusercontent.com/mirkobozzetto/espresso/HEAD/.codex-plugin/plugin.json"
     },
     {
       "name": "Frappe Agent",