Merge branch 'readme-example-update' into 'main'

Update readme examples for varps and varbits.

See merge request 2009scape/tools/rs09-constants-library!2

README.md

@@ -38,3 +38,23 @@ Example:
     const val WATER_BEING_POURED_2982 = 2982
 
 ```
+
+<h3>Varps</h3>
+```
+const val VARP_CATEGORY_DESCRIPTION = id
+```
+
+Example:
+```kotlin
+    const val VARP_IFACE_BANK_INSERT_MODE = 304
+```
+
+<h3>Varbits</h3>
+```
+const val VARBIT_CATEGORY_DESCRIPTION = id
+```
+
+Example:
+```kotlin
+    const val VARBIT_IFACE_BANK_INSERT_MODE = 7000
+```