Adding firebase deploy config

.firebaserc

@@ -0,0 +1,17 @@
+{
+  "projects": {
+    "default": "regexper"
+  },
+  "targets": {
+    "regexper": {
+      "hosting": {
+        "production": [
+          "regexper"
+        ],
+        "preview": [
+          "regexper-preview"
+        ]
+      }
+    }
+  }
+}

.gitignore

@@ -24,3 +24,7 @@ public/
 
 # Test coverage
 coverage/
+
+# Firebase
+.firebase/
+firebase-debug.log

firebase.json

@@ -0,0 +1,12 @@
+{
+  "hosting": [
+    {
+      "target": "production",
+      "public": "public"
+    },
+    {
+      "target": "preview",
+      "public": "public"
+    }
+  ]
+}

package.json

@@ -51,7 +51,9 @@
       "node_modules"
     ],
     "setupTestFrameworkScriptFile": "<rootDir>/jest/setup.js",
-    "snapshotSerializers": ["enzyme-to-json/serializer"],
+    "snapshotSerializers": [
+      "enzyme-to-json/serializer"
+    ],
     "testPathIgnorePatterns": [
       "node_modules",
       ".cache"
@@ -74,6 +76,7 @@
     "eslint": "^5.11.1",
     "eslint-plugin-jest": "^22.1.2",
     "eslint-plugin-react": "^7.12.1",
+    "firebase-tools": "^6.2.2",
     "gatsby": "^2.0.81",
     "gatsby-plugin-google-analytics": "^2.0.8",
     "gatsby-plugin-postcss": "^2.0.2",