v2.1.0

This release has some issues - see #151

What's Changed

• Support for env and secret files by @simondotm in #137
• Add some clearer use of initializeApp by @simondotm in #138
• Add serve executor by @simondotm in #140
• Update to Nx 16.6.0 by @simondotm in #135
• chore: remove semver dep by @simondotm in #141
• fix: sync generator now renames app targets by @simondotm in #142
• feat: Use the custom plugin serve executor by @simondotm in #147
• feat: Support migration by @simondotm in #148
• fix: Sync generator should rename paths in firebase.json by @simondotm in #150

Full Changelog: v2.0.0...v2.1.0