Update changelog and readme files

Author: h65wang

CHANGELOG.md

@@ -1,3 +1,3 @@
-## 0.0.1
+## 0.1.0
 
-* TODO: Describe initial release.
+* Initial Open Source release.

README.md

@@ -4,18 +4,22 @@ A candlestick chart that supports pinch-to-zoom and panning.
 
 ## Dark mode
 
-![pan](./example/demo_gifs/dark.gif)
+![pan](https://raw.githubusercontent.com/fluttercandies/flutter-interactive-chart/master/example/demo_gifs/dark.gif)
 
 ## Pan
 
-![pan](./example/demo_gifs/pan.gif)
+![pan](https://raw.githubusercontent.com/fluttercandies/flutter-interactive-chart/master/example/demo_gifs/pan.gif)
 
 
 ## Pinch-to-zoom
 
-![pan](./example/demo_gifs/zoom.gif)
+![zoom](https://raw.githubusercontent.com/fluttercandies/flutter-interactive-chart/master/example/demo_gifs/zoom.gif)
 
 
 ## Overlay
 
-![pan](./example/demo_gifs/overlay.gif)
+![overlay](https://raw.githubusercontent.com/fluttercandies/flutter-interactive-chart/master/example/demo_gifs/overlay.gif)
+
+## Customize styles
+
+![style](https://raw.githubusercontent.com/fluttercandies/flutter-interactive-chart/master/example/demo_gifs/style.png)

example/demo_gifs/style.png

@@ -1,6 +1,6 @@
 name: interactive_chart
-description: An candle stick chart that supports pinch-to-zoom and panning.
-version: 0.0.1
+description: A candlestick chart that supports hand gestures such as pinch-to-zoom and panning.
+version: 0.1.0
 homepage: https://github.com/h65wang/flutter-interactive-chart
 
 environment: