fix(hermes-agent): rename files to match NSAPP derivation

APP='Hermes Agent' produces NSAPP='hermesagent' via build.func's
lowercase+strip-spaces logic. Rename ct/, install/, json/, and
header files to match.

json/hermesagent.json

@@ -0,0 +1,52 @@
+{
+    "name": "Hermes Agent",
+    "slug": "hermesagent",
+    "categories": [
+        20
+    ],
+    "date_created": "2026-05-02",
+    "type": "ct",
+    "updateable": true,
+    "privileged": false,
+    "interface_port": 8642,
+    "documentation": "https://hermes-agent.nousresearch.com/docs",
+    "website": "https://hermes-agent.nousresearch.com",
+    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/hermes.webp",
+    "description": "Self-improving AI agent by Nous Research. Connects to 15+ LLM providers, executes terminal commands, browses the web, and learns from experience. Supports 16 messaging platforms (Telegram, Discord, Slack, WhatsApp, Signal, Matrix, and more) with persistent memory and autonomous skill creation.",
+    "install_methods": [
+        {
+            "type": "default",
+            "script": "ct/hermesagent.sh",
+            "config_path": "/home/hermes/.hermes/",
+            "resources": {
+                "cpu": 2,
+                "ram": 4096,
+                "hdd": 20,
+                "os": "debian",
+                "version": "13"
+            }
+        }
+    ],
+    "default_credentials": {
+        "username": "hermes",
+        "password": null
+    },
+    "notes": [
+        {
+            "text": "Warning: Hermes can execute terminal commands. The agent runs as a dedicated 'hermes' service user for isolation.",
+            "type": "warning"
+        },
+        {
+            "text": "After container startup, SSH in as the 'hermes' user and run 'hermes setup' to configure your LLM provider (OpenRouter, Anthropic, OpenAI, Nous Portal, or custom endpoint).",
+            "type": "info"
+        },
+        {
+            "text": "OpenAI-compatible API server available at http://<container-ip>:8642/v1. API key is stored in /home/hermes/.hermes/.env.",
+            "type": "info"
+        },
+        {
+            "text": "Access the web dashboard via SSH tunnel: ssh -L 9119:localhost:9119 hermes@<container-ip>, then open http://localhost:9119",
+            "type": "info"
+        }
+    ]
+}