Update README.md

Author: devmehmetates

README.md

@@ -1,2 +1,41 @@
 # SwiftUIPercentChart
 
+Easily create graphs that calculate percentiles
+
+## How to install this package 
+
++ Open your project on Xcode
++ Go to Project Tab and select "Package Dependencies"
++ Click "+" and search this package with use git clone url
++ Don't change anything and click Add Package
++ The package will be attached to the targeted application
+
+## How to use this package
+
+```swift
+import SwiftUIPercentChart
+
+struct DemoView: View {
+    var body: some View {
+        PercentChart(data: [20,10,40,30], 
+        percentValue: 150, 
+        colorData: [], 
+        screenRatio: 0.8, 
+        backgroundColor: .primary)
+    }
+}
+```
+<img src="https://github.com/devmehmetates/SwiftUIPercentChart/blob/main/Sources/Resources/Ads%C4%B1z.gif" width=200 height=100>
+
+## Variables Usage
+
+| Variable | Type | Recommend Usage |
+| -------- | ---- | --------------- |
+| data | Array(Double) | - |
+| percentValue | Double | Enter the percentage rate you want to calculate (If the data exceeds this value, overflow is prevented) |
+| colorData | Array(LinearGradient) | If you send an empty array, the default colors are used. (There are no restrictions on the array size) |
+| screenRatio | Double | The value dec 0 to 1 must be entered (Proportions the bar according to the screen width of the device)|
+| backgroundColor | Color | Sets the color of the bar on the back |
+
+## Note 
+It also includes a small touch animation :)