add documentation for radio button input

designsystem/src/commonMain/kotlin/org/hisp/dhis/mobile/ui/designsystem/component/RadioButtonInput.kt

@@ -3,13 +3,31 @@ package org.hisp.dhis.mobile.ui.designsystem.component
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Cancel
 import androidx.compose.material3.Icon
+import androidx.compose.material3.RadioButton
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.testTag
 import org.hisp.dhis.mobile.ui.designsystem.component.InputShellState.DISABLED
 import org.hisp.dhis.mobile.ui.designsystem.component.InputShellState.UNFOCUSED
 import org.hisp.dhis.mobile.ui.designsystem.component.Orientation.VERTICAL
 
+/**
+ * DHIS2 Radio Button Input. Wraps DHIS · [RadioButton].
+ * @param title controls the text to be shown for the title
+ * @param radioButtonData Contains all the data that will be displayed, the list type is RadioButtonData,
+ * It's parameters are uid for identifying the component, selected for controlling which option is selected,
+ * enabled controls if the component is clickable and textInput displaying the option text.
+ * @param modifier allows a modifier to be passed externally
+ * @param orientation Controls how the radio buttons will be displayed, HORIZONTAL for rows or
+ * VERTICAL for columns.
+ * @param state Manages the InputShell state
+ * @param supportingText is a list of SupportingTextData that
+ * manages all the messages to be shown
+ * @param legendData manages the legendComponent
+ * @param isRequired controls whether the field is mandatory or not
+ * @param itemSelected controls which item is selected.
+ * @param onItemChange is a callback to notify which item has changed into the block.
+ */
 @Composable
 fun RadioButtonInput(
     title: String,