Add fxa-relier-client 0.0.8 to script tag

This is hopefully temporary until we can wedge it into
our webpack bundle.
See mozilla/fxa-relier-client#68

.bowerrc

@@ -0,0 +1,3 @@
+{
+  "directory": "public/bower_components/"
+}

README.md

@@ -44,6 +44,13 @@ JS libs are committed from `node_modules` as webpack knows how to find deps in
 Whilst this creates noise it does help ensure deps in the browser
 are identical and can't get mangled by a broken deps installation.
 
+#### dealing with bower
+
+Unfortunately some deps only work with bower. For these cases, make sure
+`bower.json` has the package name and version, run `bower install`, and
+commit the distributed files to `public/bower_components`. Hopefully these
+cases will be rare.
+
 ### Watching for file changes in development.
 
 If you're using [payments-env](https://github.com/mozilla/payments-env/)

bower.json

@@ -0,0 +1,6 @@
+{
+  "name": "moz-payments-ui",
+  "dependencies": {
+    "fxa-relier-client": "https://github.com/mozilla/fxa-relier-client.git#0.0.8"
+  }
+}