Remove sandbox from .ignore

tmeasday · tmeasday · commit 1c968293ad86 · 2022-08-29T11:24:05.000+10:00
This means VS code will treat it as an unignored file, but git will still ignore it 👌
diff --git a/.gitignore b/.gitignore
@@ -9,7 +9,6 @@ dist
 junit.xml
 /repros
 /sandbox
-/built-sandboxes
 .verdaccio-cache
 
 # Yarn stuff
diff --git a/.ignore b/.ignore
@@ -0,0 +1 @@
+!/sandbox
