15.0.4-canary.8

Patches

• Enable source maps for development builds of now-cli: #2170
• Enable '@typescript-eslint/no-unused-vars': 'warn': #2172
• Added file watcher to now dev: #2153
• Pass filesChanges and filesRemoved array to builder's build(): #2174
• Mute install logs from @now/node builder: #2171

Credits

Huge thanks to @TooTallNate and @amio for helping!