impr: show images in blogposts

- Style changed
- Added loading indicator
- Added login/password validation

app/src/main/java/ru/sweetbread/unn/ui/composes/Schedule.kt

@@ -147,7 +147,7 @@ fun ScheduleDay(modifier: Modifier = Modifier, date: LocalDate) {
 
 @Composable
 fun ScheduleItem(modifier: Modifier = Modifier, unit: ScheduleUnit, expanded: Boolean = false) {
-    fun getRel(): Float {
+    fun getRatio(): Float {
         val begin = LocalDateTime.of(unit.date, unit.begin).atZone(ZoneId.of("Europe/Moscow")).toEpochSecond()
         val end = LocalDateTime.of(unit.date, unit.end).atZone(ZoneId.of("Europe/Moscow")).toEpochSecond()
         val now =  LocalDateTime.now().atZone(ZoneId.of("Europe/Moscow")).toEpochSecond()
@@ -160,7 +160,7 @@ fun ScheduleItem(modifier: Modifier = Modifier, unit: ScheduleUnit, expanded: Bo
 
     val begin = unit.begin.format(DateTimeFormatter.ofPattern("HH:mm"))
     val end = unit.end.format(DateTimeFormatter.ofPattern("HH:mm"))
-    var rel by remember { mutableFloatStateOf(getRel()) }
+    var ratio by remember { mutableFloatStateOf(getRatio()) }
 
     LaunchedEffect(Unit) {
         while (true) {
@@ -170,7 +170,7 @@ fun ScheduleItem(modifier: Modifier = Modifier, unit: ScheduleUnit, expanded: Bo
             val millisUntilNextMinute = (60 - seconds) * 1000L - calendar.get(Calendar.MILLISECOND)
 
             delay(millisUntilNextMinute)
-            rel = getRel()
+            ratio = getRatio()
         }
     }
 
@@ -283,7 +283,7 @@ fun ScheduleItem(modifier: Modifier = Modifier, unit: ScheduleUnit, expanded: Bo
                         verticalAlignment = Alignment.CenterVertically) {
                         Text(begin.toString(), fontWeight = FontWeight.Bold)
                         AnimatedVisibility (
-                            (0f < rel) and (rel < 1f),
+                            (0f <= rel) and (rel < 1f),
                             modifier = Modifier
                                 .weight(1f)
                                 .padding(horizontal = 2.dp)