Add ChoiceScript (#799)

Author: diedyesterdaywastaken

descriptions/Engine.ChoiceScript.md

@@ -0,0 +1 @@
+[**ChoiceScript**](https://www.choiceofgames.com/make-your-own-games/choicescript-intro/) is a simple programming language for writing interactive novels. 

rules.ini

@@ -51,6 +51,7 @@ Buddha = ^Data/Config/User\.(?:cfg|lua)$
 Build = (?:^|/)buildlic\.txt$
 C4_Engine = (?:^|/)Data/C4(?:\.pak)?$
 CatSystem2 = ^cs2confx?\.dll$
+ChoiceScript = (?:^|/)SteamChoiceScript-Info\.plist$
 ChromeEngine[] = (?:^|/)ChromEd\.exe$
 ChromeEngine[] = (?:^|/)ChromeEngine[0-9]\.dll$
 ChromeEngine[] = (?:^|/)engine(?:_pc)?\.rpack$

tests/types/Engine.ChoiceScript.txt

@@ -0,0 +1,3 @@
+/SteamChoiceScript-Info.plist
+7th Sea A Pirates Pact.app/Contents/Resources/SteamChoiceScript-Info.plist
+SteamChoiceScript-Info.plist

tests/types/_NonMatchingTests.txt

@@ -1061,6 +1061,9 @@ gmv_sp_000.usn
 /data/launch/data1.xcpk
 C05_010_S010_gdm.awboops
 common_rpf
+SteamChoiceScript-Info_plist
+SteamChoiceScript-Info.plistt
+SSteamChoiceScript-Info.plist
 update/update.rpff
 metadata.data
 metadata_dat