readme on 3.0 release change install step

bradmartin · bradmartin · commit 497a56208e32 · 2020-01-22T14:06:55.000-06:00
diff --git a/README.md b/README.md
@@ -36,10 +36,16 @@ NativeScript-Loading-Indicator is a plugin for NativeScript which overlays a loa
 
 ## Installation
 
+## NativeScript 6.3+
 ```bash
 tns plugin add @nstudio/nativescript-loading-indicator
 ```
 
+## NativeScript lower than 6.3
+```bash
+tns plugin add @nstudio/nativescript-loading-indicator@2.0.5
+```
+
 ## Screenshots
 
 ### iOS
