fix(typings): add ChartDataSets, ChartOptions - closes #1

Author: xidedix

src/index.d.ts

@@ -1,10 +1,11 @@
 import { HTMLProps } from 'react'
+import { ChartDataSets, ChartOptions } from 'chart.js'
 
 interface Charts extends HTMLProps<any> {
   innerRef?: any
-  datasets?: Array<any>
+  datasets?: ChartDataSets[]
   labels?: string | Array<any>
-  options?: any
+  options?: ChartOptions
   plugins?: Array<any>
 }
 
@@ -27,4 +28,4 @@ export declare const CChartLine: (props: CChartLine) => any
 export declare const CChartDoughnut: (props: CChartDoughnut) => any
 export declare const CChartRadar: (props: CChartRadar) => any
 export declare const CChartPie: (props: CChartPie) => any
-export declare const CChartPolarArea: (props: CChartPolarArea) => any
+export declare const CChartPolarArea: (props: CChartPolarArea) => any