Issue #69: add tile server example.

README.md

@@ -229,6 +229,35 @@ roentgen server
 
 Stop server interrupting process with <kbd>Ctrl</kbd> + <kbd>C</kbd>.
 
+### Example ###
+
+Create a minimal amount of tiles that cover specified boundary box for zoom levels 16, 17, 18, and 19:
+
+```bash
+roentgen tile -b 2.364,48.854,2.367,48.857 -s 16-19
+```
+
+Run tile server on 127.0.0.1:8080:
+
+```bash
+roentgen server
+```
+
+Use JavaScript code for [Leaflet](https://leafletjs.com/):
+
+```js
+zxy', {
+    maxZoom: 19,
+    attribution: 'Map data &copy; ' +
+        '<a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> ' +
+        'contributors, imagery &copy; ' +
+        '<a href="https:/github.com/enzet/Roentgen">Röntgen</a>',
+    id: 'roentgen',
+    tileSize: 256,
+    zoomOffset: 0
+}).addTo(map);
+```
+
 Map options
 -----------
 

doc/readme.moi

@@ -244,6 +244,31 @@ Command \m {server} is used to run tile server for slippy maps.
 
 Stop server interrupting process with \kbd {Ctrl} + \kbd {C}.
 
+\3 {Example} {example}
+
+Create a minimal amount of tiles that cover specified boundary box for zoom levels 16, 17, 18, and 19\:
+
+\code {roentgen tile -b 2.364,48.854,2.367,48.857 -s 16-19} {bash}
+
+Run tile server on 127.0.0.1\:8080\:
+
+\code {roentgen server} {bash}
+
+Use JavaScript code for \ref {https://leafletjs.com/} {Leaflet}\:
+
+\code {var map = L.map('mapid').setView([48.8555, 2.3655], 18);
+
+L.tileLayer('http://127.0.0.1:8080/tiles/{z}/{x}/{y}', \{
+    maxZoom: 19,
+    attribution: 'Map data © ' +
+        '<a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> ' +
+        'contributors, imagery &copy; ' +
+        '<a href="https:/github.com/enzet/Roentgen">Röntgen</a>',
+    id: 'roentgen',
+    tileSize: 256,
+    zoomOffset: 0
+\}).addTo(map);} {js}
+
 \2 {Map options} {map-options}
 
 Map configuration options used by \m {render} and \m {tile} commands: