added stroke size field on line config (#61)

Co-authored-by: Alberto Caliman <alberto.caliman@texa.com>

charty/src/main/java/com/himanshoe/charty/line/CurveLineChart.kt

@@ -192,7 +192,7 @@ fun CurveLineChart(
                     colors = lineColors,
                 ),
                 style = Stroke(
-                    width = 5F,
+                    width = curveLineConfig.strokeSize.toPx(),
                     cap = StrokeCap.Round
                 )
             )

charty/src/main/java/com/himanshoe/charty/line/LineChart.kt

@@ -72,7 +72,7 @@ fun LineChart(
         val scaleFactor = size.height.div(maxYValue)
         val brush = Brush.linearGradient(colors)
         val radius = size.width.div(70)
-        val strokeWidth = size.width.div(100)
+        val strokeWidth = lineConfig.strokeSize.toPx()
         val path = Path().apply {
             moveTo(0f, size.height)
         }

charty/src/main/java/com/himanshoe/charty/line/config/CurveLineConfig.kt

@@ -1,16 +1,20 @@
 package com.himanshoe.charty.line.config
 
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
 
 data class CurveLineConfig(
     val hasDotMarker: Boolean,
     val dotColor: Color = Color.Transparent,
+    val strokeSize: Dp = 5.dp
 )
 
 internal object CurveLineConfigDefaults {
 
     fun curveLineConfigDefaults() = CurveLineConfig(
         hasDotMarker = true,
-        dotColor = Color.Green
+        dotColor = Color.Green,
+        strokeSize = 5.dp
     )
 }

charty/src/main/java/com/himanshoe/charty/line/config/LineConfig.kt

@@ -1,14 +1,19 @@
 package com.himanshoe.charty.line.config
 
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+
 data class LineConfig(
     val hasSmoothCurve: Boolean = false,
-    val hasDotMarker: Boolean = false
+    val hasDotMarker: Boolean = false,
+    val strokeSize: Dp = 5.dp
 )
 
 internal object LineConfigDefaults {
 
     fun lineConfigDefaults() = LineConfig(
         hasSmoothCurve = true,
-        hasDotMarker = true
+        hasDotMarker = true,
+        strokeSize = 5.dp
     )
 }