Use relative time in ChapterHolder (#5719)

* Use relative time in ChapterHolder

Similar to how J2K does it

* Use custom implementation for relative time

* Changes based on review comments

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsGeneralController.kt

@@ -21,6 +21,7 @@ import kotlinx.coroutines.flow.launchIn
 import java.util.Date
 import eu.kanade.tachiyomi.data.preference.PreferenceKeys as Keys
 import eu.kanade.tachiyomi.data.preference.PreferenceValues as Values
+import androidx.preference.Preference
 
 class SettingsGeneralController : SettingsController() {
 
@@ -78,6 +79,22 @@ class SettingsGeneralController : SettingsController() {
                 }
             }
         }
+        intListPreference {
+            key = Keys.relativeTime
+            titleRes = R.string.pref_relative_format
+            val values = arrayOf("0", "2", "7")
+            entryValues = values
+            entries = values.map {
+                when (it) {
+                    "0" -> context.getString(R.string.off)
+                    "2" -> context.getString(R.string.pref_relative_time_short)
+                    else -> context.getString(R.string.pref_relative_time_long)
+                }
+            }.toTypedArray()
+            defaultValue = "7"
+            summary = "%s"
+        }
+
         listPreference {
             key = Keys.dateFormat
             titleRes = R.string.pref_date_format