DockerMod to allow installation of code-server extensions by providing a list of extensions to install through environment variable

root/etc/cont-init.d/99-install-extensions

@@ -0,0 +1,15 @@
+#!/usr/bin/with-contenv bash
+
+# Exit if no VsCode extensions are given
+if [ -z ${VSCODE_EXTENSION_IDS+x} ]; then
+  echo "**** No VSCODE EXTENSIONS GIVEN****"
+  exit 0
+fi
+
+
+IFS='|'
+VSCODE_EXTENSION_IDS=(${VSCODE_EXTENSION_IDS})
+for ID in "${VSCODE_EXTENSION_IDS[@]}"; do
+    echo "**** installing extension: ${ID} ****"
+    code-server --user-data-dir /config/data --extensions-dir /config/extensions --install-extension ${ID}
+done