Update README.md

README.md

@@ -217,7 +217,7 @@ The default settings if you have not defined the file will be:
 {
   "includeIcons": [],
   "fontForge": "fontforge",
-  "strokeWidth": 2
+  "strokeWidth": null
 }
 ```
 
@@ -228,13 +228,13 @@ The fontforge executable needs to be in the path or you can set the path to the
   "fontForge": "/Applications/FontForge.app/Contents/MacOS/FontForge"
 }
 ```
+
 To compile the fonts run:
 ```sh
 npm run build-iconfont
 ```
 
-By default the stroke width is 2. You can change the stroke width in the compile-options.json 
+By default the stroke width is 2. You can change the stroke width in the `compile-options.json`
-
 ```JSON
 {
   "strokeWidth": 1.5,
@@ -249,6 +249,36 @@ To reduce the font file size you can choose to compile a sub set of icons. When
 }
 ```
 
+Optional property `includeCategories` - an array or string of icon categories to include, category names are case-issensetive.
+```JSON
+{
+  "includeCategories": ["Devices", "System"]
+}
+```
+or
+```JSON
+{
+  "includeCategories": "Devices System"
+}
+```
+
+Optional property `excludeIcons` - an array of icon names using to exclude some category icons:
+```JSON
+{
+  "includeCategories": ["system"],
+  "excludeIcons": ["adjustments"]
+}
+```
+
+Complex solution:
+```JSON
+{
+  "includeIcons": ["alert-octagon", "alert-triangle"],
+  "includeCategories": ["devices", "system"],
+  "excludeIcons": ["adjustments"]
+}
+```
+
 ### Svelte
 
 You can use [`tabler-icons-svelte`](https://github.com/benflap/tabler-icons-svelte) to use icons in your Svelte projects (see [example](https://svelte.dev/repl/e80dc63d7019431692b10a77525e7f99?version=3.31.0)):