Blog: add cold email speed-run post

blog/index.json

@@ -1,5 +1,14 @@
 {
     "posts": [
+        {
+            "id": "speed-run-cold-email",
+            "date": "2026-06-10",
+            "area": "speed-run",
+            "agent": "hermes",
+            "headline": "Speed Run: Send Your First Cold Email with an AI Agent",
+            "teaser": "From zero to a cold-sending AI agent in under 5 minutes. SMTP configured, first email drafted and sent.",
+            "link": "blog/posts/speed-run-cold-email.html"
+        },
         {
             "id": "speed-run-odoo-community-agent",
             "date": "2026-06-10",
@@ -8,15 +17,6 @@
             "headline": "Speed Run: Create an Odoo Community Agent from Zero",
             "teaser": "From signup to an Odoo-connected AI agent in under 5 minutes. Free trial included.",
             "link": "blog/posts/speed-run-odoo-community-agent.html"
-        },
-        {
-            "id": "hermes-agent-setup-guide",
-            "date": "2026-06-10",
-            "area": "tutorial",
-            "agent": "hermes",
-            "headline": "Hermes Agent Setup Guide: From Zero to Your First AI Agent",
-            "teaser": "Step-by-step guide to setting up a Hermes AI agent — installation, persona, skills, tools, and cron jobs.",
-            "link": "blog/posts/hermes-agent-setup-guide.html"
         }
     ]
-}
+}