Add rollup-plugin-minify-html-template-literals to node_modules

R=jacktfranklin@chromium.org

Bug: 1213034
Change-Id: I5da8225f60b53870a1c67d6b5d02a464c08f4eb2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2917088
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
diff --git a/node_modules/clean-css/lib/optimizer/hack.js b/node_modules/clean-css/lib/optimizer/hack.js
new file mode 100644
index 0000000..812b5d5
--- /dev/null
+++ b/node_modules/clean-css/lib/optimizer/hack.js
@@ -0,0 +1,8 @@
+var Hack = {
+  ASTERISK: 'asterisk',
+  BANG: 'bang',
+  BACKSLASH: 'backslash',
+  UNDERSCORE: 'underscore'
+};
+
+module.exports = Hack;