chore: improve line break handling (#39)

Reviewed-on: #39

composeApp/src/androidMain/kotlin/su/reya/coop/screens/chat/ChatInput.kt

@@ -11,6 +11,7 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material3.FilledTonalIconButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
@@ -23,6 +24,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.unit.dp
 import coop.composeapp.generated.resources.Res
 import coop.composeapp.generated.resources.ic_add_circle
@@ -52,6 +55,11 @@ fun ChatInput(
             value = value,
             onValueChange = onValueChange,
             placeholder = { Text("Message") },
+            maxLines = 5,
+            keyboardOptions = KeyboardOptions(
+                capitalization = KeyboardCapitalization.Sentences,
+                imeAction = ImeAction.Default
+            ),
             leadingIcon = {
                 IconButton(onClick = onUpload) {
                     Icon(