feat(ui): Display players in single card with aligned columns

Replace per-player cards with a single card listing all players. Each
player shows on one line: number, name, position, and birth year in
muted color. Add Makefile with android and desktop targets.

Makefile

@@ -0,0 +1,7 @@
+.PHONY: android desktop
+
+android:
+	./gradlew composeApp:assembleDebug
+
+desktop:
+	./gradlew composeApp:run

composeApp/src/commonMain/kotlin/ch/parano/myice/ui/screens/EventDetailScreen.kt

@@ -19,11 +19,13 @@ package ch.parano.myice.ui.screens
 
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.Card
@@ -150,18 +152,31 @@ fun EventDetailScreen(
                                 style = MaterialTheme.typography.titleLarge,
                             )
                         }
-                        items(detail.convocation.available) { player ->
+                        item {
-                            val position = player.position ?: "N/A"
-                            val number = player.number ?: "N/A"
                             Card(modifier = Modifier.fillMaxWidth()) {
-                                Column(
+                                Column(modifier = Modifier.padding(16.dp)) {
-                                    modifier = Modifier.padding(16.dp),
+                                    detail.convocation.available.forEach { player ->
+                                        val position = player.position ?: ""
+                                        val number = player.number ?: ""
+                                        val muted = MaterialTheme.colorScheme.onSurfaceVariant
+                                        Row(
+                                            verticalAlignment = Alignment.CenterVertically,
+                                            horizontalArrangement = Arrangement.spacedBy(6.dp),
+                                            modifier = Modifier.fillMaxWidth(),
                                         ) {
-                                    Text("[$position] #$number - ${player.fname} ${player.lname}")
                                             Text(
-                                        text = "DOB: ${player.dob}",
+                                                if (number.isNotEmpty()) "#$number" else "",
-                                        style = MaterialTheme.typography.bodySmall,
+                                                color = muted,
+                                                modifier = Modifier.width(40.dp),
                                             )
+                                            Text("${player.fname} ${player.lname}")
+                                            Spacer(Modifier.weight(1f))
+                                            if (position.isNotEmpty()) {
+                                                Text(position, color = muted)
+                                            }
+                                            Text("(${player.dob.take(4)})", color = muted)
+                                        }
+                                    }
                                 }
                             }
                         }