Add firebase files to repository

These files allow authorized users to deploy the Gerrit web site to
Firebase hosting.

Change-Id: Ib7b083eeddf4568d74247a4d1859c734dc2bbdae
diff --git a/.firebaserc b/.firebaserc
new file mode 100644
index 0000000..e4511a3
--- /dev/null
+++ b/.firebaserc
@@ -0,0 +1,5 @@
+{
+  "projects": {
+    "default": "api-project-164060093628"
+  }
+}
diff --git a/firebase.json b/firebase.json
new file mode 100644
index 0000000..587d9d4
--- /dev/null
+++ b/firebase.json
@@ -0,0 +1,10 @@
+{
+  "hosting": {
+    "public": "jekyll-source/_site",
+    "ignore": [
+      "firebase.json",
+      "**/.*",
+      "**/node_modules/**"
+    ]
+  }
+}