added a mark to substituted lectures

mobile/app/src/main/java/com/odweta/solon/Parsing.kt

@@ -286,7 +286,6 @@ class Parsing {
                 finalSubjects.addAll(newSubjects.reversed())
                 finalSubjects.addAll(auxSubjects)
 
-
                 for ((i, s) in auxSubjects.withIndex()) {
                     if (s.free) {
                         s.start = auxSubjects[i-1].end

mobile/app/src/main/java/com/odweta/solon/Timetable.kt

@@ -268,12 +268,31 @@ private fun DayScreen(day: Day) {
                             horizontalAlignment = Alignment.Start
                         ) {
                             if (!subject.free) {
-                                Text(
-                                    text = subject.name.uppercase(),
-                                    color = Color.White,
-                                    fontSize = 25.sp,
-                                    fontWeight = FontWeight.Bold
-                                )
+                                if (subject.substitute == "1") {
+                                    Row {
+                                        Text(
+                                            text = subject.name.uppercase(),
+                                            color = Color.White,
+                                            fontSize = 25.sp,
+                                            fontWeight = FontWeight.Bold
+                                        )
+
+                                        Spacer(modifier = Modifier.width(10.dp))
+
+                                        Text(
+                                            text = " supl ",
+                                            color = Color.Black,
+                                            modifier = Modifier.background(color = Color.White)
+                                        )
+                                    }
+                                } else {
+                                    Text(
+                                        text = subject.name.uppercase(),
+                                        color = Color.White,
+                                        fontSize = 25.sp,
+                                        fontWeight = FontWeight.Bold
+                                    )
+                                }
                             }
 
                             Text(