Add Black-Red theme (#95)

* Appveyor

* stuff

* resolve conflict

* Let's try this again

* try again

* More fixing

* remove appveyor

* revert build.gradle

* Revert "revert build.gradle"

This reverts commit feaaa78157ffe8d6d6af7d6d63a74bc14b92f584.

* Undo line change

* Update build.gradle

* Update MainActivity.kt

Co-authored-by: AbdullahM0hamed<AbdullahM0hamed@users.noreply.github.com>

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceValues.kt

@@ -23,6 +23,7 @@ object PreferenceValues {
         default,
         blue,
         amoled,
+        red,
     }
 
     enum class DisplayMode {

app/src/main/java/eu/kanade/tachiyomi/ui/base/activity/BaseActivity.kt

@@ -49,6 +49,7 @@ abstract class BaseActivity<VB : ViewBinding> : AppCompatActivity() {
         when (preferences.themeDark().get()) {
             Values.DarkThemeVariant.blue -> R.style.Theme_Tachiyomi_DarkBlue
             Values.DarkThemeVariant.amoled -> R.style.Theme_Tachiyomi_Amoled
+            Values.DarkThemeVariant.red -> R.style.Theme_Tachiyomi_Red
             else -> R.style.Theme_Tachiyomi_Dark
         }
     }

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

@@ -126,12 +126,14 @@ class SettingsGeneralController : SettingsController() {
                 entriesRes = arrayOf(
                     R.string.theme_dark_default,
                     R.string.theme_dark_blue,
-                    R.string.theme_dark_amoled
+                    R.string.theme_dark_amoled,
+                    R.string.theme_dark_red
                 )
                 entryValues = arrayOf(
                     Values.DarkThemeVariant.default.name,
                     Values.DarkThemeVariant.blue.name,
-                    Values.DarkThemeVariant.amoled.name
+                    Values.DarkThemeVariant.amoled.name,
+                    Values.DarkThemeVariant.red.name
                 )
                 defaultValue = Values.DarkThemeVariant.default.name
                 summary = "%s"