append README to full_description

Author: binarynoise

metadata/com.programminghoch10.SplitScreenMods/en-US/full_description.txt

@@ -9,4 +9,43 @@ A collection of various SplitScreen modifications.
 * AdditionalSnapTargets
 * RemoveMinimalTaskSize
 
-[Read the module's README on GitHub for explanations.](https://github.com/binarynoise/XposedModulets/blob/main/SplitScreenMods/README.md)
+## AlwaysAllowMultiInstanceSplit
+
+Allow all apps to be launched twice side-by-side in a split screen.
+
+Undefined behaviour ahead!
+
+## KeepSplitScreenRatio
+
+Keep the split screen ratio, when switching one of the split apps.
+
+Only usable on Android 14 and later,
+since previous versions did not force a split resize in this situation.
+
+## KeepSwapRatio
+
+Keep the split ratio while swapping sides.
+
+## DisableSwapAnimation
+
+Disable the swapping animation.
+
+## SnapMode
+
+Change the snap mode used by the system:
+
+* `16:9` snapping useful for playing videos in split screen
+* `FIXED` snapping allows for custom ratios and [additional snap targets](#additionalsnaptargets)
+* `1:1` only allows the middle 50:50 split
+
+## FreeSnap
+
+Allow any split ratio instead of snapping to predefined ratios.
+
+## AdditionalSnapTargets
+
+Add additional snapping targets to snap to.
+
+## RemoveMinimalTaskSize
+
+Remove the minimal task size limit to allow split screen with unreasonably small apps.