Added themes

All files (that used styles) were refactored to use styles directly so themes can only actually adjust colors
 - Elaborate themes would be super hard to maintain and would certainly break over time

app/src/main/java/com/topjohnwu/magisk/utils/DataBindingAdapters.kt

@@ -455,4 +455,9 @@ fun View.setRotationNotAnimated(rotation: Int) {
 @BindingAdapter("android:text")
 fun TextView.setTextSafe(text: Int) {
     if (text == 0) this.text = null else setText(text)
+}
+
+@BindingAdapter("android:theme")
+fun View.setThemeCompat(theme: Int) {
+
 }