chore: update docs and min version

Author: dan-clearcloud

README.md

@@ -26,10 +26,18 @@ Installation
 
 Install the plugin using the NativeScript CLI tooling:
 
+### Nativescript 7+
+
 ```
 tns plugin add nativescript-google-maps-sdk
 ```
 
+### Nativescript < 7
+
+```
+tns plugin add nativescript-google-maps-sdk@2.9.1
+```
+
 Setup
 ===
 

src/package.json

@@ -1,13 +1,13 @@
 {
   "name": "nativescript-google-maps-sdk",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "Google Maps SDK plugin for Nativescript",
   "main": "map-view",
   "typings": "map-view.d.ts",
   "nativescript": {
     "platforms": {
-      "android": "4.0.0",
-      "ios": "4.0.0"
+      "android": "7.0.0",
+      "ios": "7.0.0"
     }
   },
   "scripts": {