Update link styles script [WEB-2833]

Add the ability to set the link directory from the command line.

link-website-styles.sh

@@ -1,19 +1,42 @@
 #! /bin/bash
 
 # Run this from the root of the my-museum-tour project to symlink museum
-# website styles with this project. A few assumptions are made here:
+# website styles with this project. Use the -l|--link option to set the
+# directory of website project, otherwise the `website/` directory will be used.
+#
+# A few assumptions are made here:
 #
 #  1. You have the website and this package in neighboring folders
 #  2. You have run `npm run dev` in the website project to compile styles
 #  3. You are _not_ running the with the `USE_COMPILED_REVASSETS` flag
 #     turned on.
 
+LINK_DIR="website/"  # Default website project directory
+
+while :; do
+    case $1 in
+        -l|--link)
+            if [[ $2 ]]; then
+                LINK_DIR="$2"
+                shift 2
+            fi
+            ;;
+        *)
+            break
+    esac
+done
+
+# Add a trailing slash if absent
+if [[ $LINK_DIR != *"/" ]]; then
+    LINK_DIR="$LINK_DIR"/
+fi
+
 mkdir dist/scripts
 mkdir dist/styles
 
-ln -s ../../../website/public/dist/scripts/app.js dist/scripts/app.js
-ln -s ../../../website/public/dist/scripts/head.js dist/scripts/head.js
+ln -sv ../../../"$LINK_DIR"public/dist/scripts/app.js dist/scripts/app.js
+ln -sv ../../../"$LINK_DIR"public/dist/scripts/head.js dist/scripts/head.js
 
-ln -s ../../../website/public/dist/styles/setup.css dist/styles/setup.css
-ln -s ../../../website/public/dist/styles/app.css dist/styles/app.css
-ln -s ../../../website/public/dist/styles/print.css dist/styles/print.css
+ln -sv ../../../"$LINK_DIR"public/dist/styles/setup.css dist/styles/setup.css
+ln -sv ../../../"$LINK_DIR"public/dist/styles/app.css dist/styles/app.css
+ln -sv ../../../"$LINK_DIR"public/dist/styles/print.css dist/styles/print.css