add steppers on web prefs dialog

android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebPreferencesDialog.kt

@@ -1,9 +1,16 @@
 package app.omnivore.omnivore.ui.reader
 
+import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material3.Divider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.Surface
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
@@ -22,7 +29,61 @@ fun WebPreferencesDialog(onDismiss: () -> Unit) {
 
 @Composable
 fun WebPreferencesView() {
-  Text("Web Prefs")
+  Column {
+    Text("Web Preferences")
+    // Font Size: Stepper
+    Stepper(
+      label = "Font Size:",
+      onIncrease = {},
+      onDecrease = {}
+    )
+
+    // Margin: Slider
+    Stepper(
+      label = "Margin:",
+      onIncrease = {},
+      onDecrease = {}
+    )
+
+    // Line Spacing: Slider
+    Stepper(
+      label = "Line Spacing:",
+      onIncrease = {},
+      onDecrease = {}
+    )
+
+    // High Contrast Text: Switch
+    // Reader Font: List of Fonts
+  }
+}
+
+@Composable
+fun Stepper(label: String, onIncrease: () -> Unit, onDecrease: () -> Unit) {
+  Row {
+    Text(text = label)
+    Spacer(modifier = Modifier.weight(1.0F))
+
+    IconButton(onClick = { onDecrease() }) {
+      Icon(
+        imageVector = Icons.Filled.Add,
+        contentDescription = null
+      )
+    }
+
+    Divider(
+      color = Color.Black,
+      modifier = Modifier
+        .height(40.dp)
+        .width(1.dp)
+    )
+
+    IconButton(onClick = { onIncrease() }) {
+      Icon(
+        imageVector = Icons.Filled.Add,
+        contentDescription = null
+      )
+    }
+  }
 }
 
 data class WebPreferences(