make build-assetbundle.sh do something

sooooo tempted to make this a python script but it probably wont get complicated to necessitate that (fingers crossed)

.github/actions/build-assetbundle/Dockerfile

@@ -7,4 +7,4 @@ FROM unityci/editor:${UNITY_VERSION}-windows-mono-3
 COPY ./ /KSPBuildTools
 
 # Code file to execute when the docker container starts up (`build-assetbundle.sh`)
-ENTRYPOINT ["/KSPBuildTools/.github/actions/build-assetbundle/build-assetbundle.sh"]
+ENTRYPOINT ["/KSPBuildTools/build-assetbundle.sh", "--editor", "unity-editor"]

build-assetbundle.sh

@@ -0,0 +1,23 @@
+#!/bin/bash -l
+
+POSITIONAL_ARGS=()
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    -e|--editor)
+      EDITOR="$2"
+      shift # past argument
+      shift # past value
+      ;;
+    -*)
+      echo "Unknown option $1"
+      exit 1
+      ;;
+    *)
+      POSITIONAL_ARGS+=("$1") # save positional arg
+      shift # past argument
+      ;;
+  esac
+done
+
+$EDITOR -version