Bugfix: Line height in LineView (AppPear#175)

* Make the line reach the top and bottom of the chart.

* Put the Magnifier's bottom edge on the 0 line.

Author: willdale

Sources/SwiftUICharts/LineChart/LineView.swift

@@ -65,15 +65,15 @@ public struct LineView: View {
                                 .animation(Animation.easeOut(duration: 1).delay(1))
                         }
                         Line(data: self.data,
-                             frame: .constant(CGRect(x: 0, y: 0, width: reader.frame(in: .local).width - 30, height: reader.frame(in: .local).height)),
+                             frame: .constant(CGRect(x: 0, y: 0, width: reader.frame(in: .local).width - 30, height: reader.frame(in: .local).height + 25)),
                              touchLocation: self.$indicatorLocation,
                              showIndicator: self.$hideHorizontalLines,
                              minDataValue: .constant(nil),
                              maxDataValue: .constant(nil),
                              showBackground: false,
                              gradient: self.style.gradientColor
                         )
-                        .offset(x: 30, y: -20)
+                        .offset(x: 30, y: 0)
                         .onAppear(){
                             self.showLegend = true
                         }

Sources/SwiftUICharts/LineChart/MagnifierRect.swift

@@ -29,5 +29,6 @@ public struct MagnifierRect: View {
                     .blendMode(.multiply)
             }
         }
+        .offset(x: 0, y: -15)
     }
 }