doc: minor changes

Author: Jørgen Elgaard Larsen

.npmignore

@@ -1 +1,3 @@
-assets/
+assets/
+_config.yml
+.npmignore

README.md

@@ -53,6 +53,36 @@ Has only been tested with Leaflet ^1.7.1
 
 ```
 
+### Installing the sub-plugin
+
+#### Local copy
+
+1. Download the [`leaflet.layergroup.conditional.js`](https://solfisk.github.io/Leaflet.LayerGroup.Conditional/leaflet.layergroup.conditional.js) file from the latest release.
+2. Place the file alongside your page.
+3. Add the `script` tag to your page after Leaflet script.
+
+#### CDN
+
+You can alternatively use the free [unpkg](https://unpkg.com) CDN service:
+
+```html
+<!-- After Leaflet script -->
+<script src="https://unpkg.com/[email protected]/dist/leaflet.layergroup.conditional.js"></script>
+```
+
+#### npm
+
+1. Add this package to your project:
+
+   ```bash
+   npm install leaflet-layergroup-conditional --save
+   ```
+
+2. Add `script` tag to your page after Leaflet script:
+   ```html
+   <!-- After Leaflet script -->
+   <script src="node_modules/leaflet-layergroup-conditional/leaflet.layergroup.conditional.js"></script>
+   ```
 
 ## API Reference
 
@@ -83,4 +113,4 @@ Methods are the same as those of [LayerGroup](http://leafletjs.com/reference.htm
 
 ## License
 
-GPL.
+[GNU GPLv3](https://www.gnu.org/licenses/gpl-3.0-standalone.html) or later

package.json

@@ -4,10 +4,11 @@
     "description": "An extension af Leaflet.LayerGroup with conditional layers.",
     "keywords": ["leaflet", "layergroup", "conditional"],
     "repository": "github:Solfisk/Leaflet.LayerGroup.Conditional",
+    "homepage": "https://solfisk.github.io/Leaflet.LayerGroup.Conditional",
     "main": "Leaflet.LayerGroup.Conditional.js",
     "author": "Jørgen Elgaard Larsen <[email protected]>",
     "license": "GPL-3.0-or-later",
     "peerDependencies": {
       "leaflet": "^1.0.0"
     }
-  }
+}