Add ArkType to userTests (#185)

Author: ssalbdivad

Diff for: userTests/arktype/build.sh

@@ -0,0 +1,10 @@
+set -x
+
+npm i -g pnpm
+rm -rf arktype
+git clone --depth 1 https://github.com./arktypeio/arktype.git arktype
+cd arktype
+
+npx json -I -f package.json -e "this.resolutions = { ...this.resolutions, typescript: 'file:$TS' } "
+pnpm i
+pnpm tsc