v1.7.0

• 229b092 chore: add angular-cli-ghpages as a dev dependency
• 03ba65a chore: firebase init
• cc00ff0 chore: Git-ignore Firebase node modules
• b968d67 feat: use History API rather than hash routing
• f27e8cd fix: add typeRoots to functions/tsconfig.json
• 36be9c0 chore: Git-ignore functions/lib
• 28f5daa feat: copy over the API function and install dependencies
• 9686811 chore: switch to Yarn
• 8390f29 feat: add predeploy hook for hosting in firebase.json
• 6968822 feat: use the new API URL
• 62f69f1 feat: update the deploy command to use Firebase