feat: provide example Prometheus configuration and update README for monitoring setup.

Author: Datanoise

README.md

@@ -307,13 +307,14 @@ TinyIce provides built-in support for real-time monitoring via Prometheus.
   - **Throughput**: Bytes in/out and dropped packets (health ratio).
   - **System**: Memory usage, goroutine counts, GC statistics, and server uptime.
 
-### Grafana Dashboard
-A pre-configured Grafana dashboard is available in the repository:
-👉 **[monitoring/grafana-dashboard.json](monitoring/grafana-dashboard.json)**
-
-To use it:
-1.  Ensure Prometheus is scraping your TinyIce instance.
-2.  Import the JSON file into your Grafana instance.
+### Grafana Dashboard & Prometheus Config
+Example monitoring configurations are available in the repository:
+- 📊 **[monitoring/grafana-dashboard.json](monitoring/grafana-dashboard.json)**
+- ⚙️ **[monitoring/prometheus.yml](monitoring/prometheus.yml)**
+
+To use them:
+1.  Add the contents of `prometheus.yml` to your Prometheus configuration (update targets and auth).
+2.  Import the Grafana JSON file into your Grafana instance.
 3.  Select your Prometheus data source.
 
 ## Command Line Usage

monitoring/prometheus.yml

@@ -0,0 +1,15 @@
+# Example Prometheus configuration for TinyIce
+# To use this:
+# 1. Update the 'targets' with your TinyIce server address
+# 2. Update 'username' and 'password' with your TinyIce admin credentials
+# 3. Add this scrape_config to your existing prometheus.yml
+
+scrape_configs:
+  - job_name: 'tinyice'
+    scrape_interval: 5s
+    metrics_path: '/metrics'
+    static_configs:
+      - targets: ['127.0.0.1:8002']
+    basic_auth:
+      username: 'admin'
+      password: 'password' # Use the password generated on first run or set in tinyice.json