feat(admin-web): add KROW logo and title to admin console

feat(admin-web): display environment badge in admin console
feat(admin-web): configure Nginx for SPA and copy config
fix(Makefile): fix typo in CR_ADMIN_IMAGE_URI variable assignment
feat(firebase): update launchpad title to "Launchpad"

admin-web/nginx.conf

@@ -0,0 +1,13 @@
+server {
+    listen 8080;
+    server_name _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        # First attempt to serve request as file, then
+        # as directory, then fall back to displaying a 404.
+        try_files $uri $uri/ /index.html;
+    }
+}