add init.sh

Author: mrchanr

init.sh

@@ -0,0 +1,11 @@
+if [[ -z "$1" ]]; then
+    echo "Usage: $0 <ClassName>" >&2
+    exit 1
+fi
+
+set -euxo pipefail
+
+sed -i "s/Library/${1}/g" "lib/src/main/java/org/APCSLowell/Library.java"
+sed -i "s/Library/${1}/g" "lib/src/test/java/org/APCSLowell/LibraryTest.java"
+mv "lib/src/main/java/org/APCSLowell/Library.java" "lib/src/main/java/org/APCSLowell/${1}.java"
+mv "lib/src/test/java/org/APCSLowell/LibraryTest.java" "lib/src/test/java/org/APCSLowell/${1}Test.java"