Added button to jump to todays date

DBTApp/app/src/main/java/de/cdaut/dbtapp/components/Tracking.kt

@@ -14,11 +14,13 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.grid.GridCells
 import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.CalendarMonth
 import androidx.compose.material.icons.filled.ChevronLeft
 import androidx.compose.material.icons.filled.ChevronRight
 import androidx.compose.material3.Button
@@ -113,7 +115,19 @@ private fun TopCalendar() {
                 )
             )
             // arrows to switch month
-            Row {
+            Row(
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Icon(
+                    modifier = Modifier
+                        .clip(CircleShape)
+                        .clickable(onClick = {
+                            currentDateMut.value = LocalDate.now()
+                        }),
+                    imageVector = Icons.Filled.CalendarMonth,
+                    contentDescription = "//TODO: Provide"
+                )
+                Spacer(modifier = Modifier.width(10.dp))
                 Icon(
                     modifier = Modifier
                         .clip(CircleShape)