v0.59.0

Contains all changes since 0.58.0:

• [Feature] Add support for optional dependencies (#511)
• [Feature] Bring back the option to use terser as a minifier (#510)
• [Feature] Record source locations of dependencies in graph
• [Feature] Show a code frame for resolution errors
• [Fix] Handle circular dependency removal in the DeltaBundler (#506)
• [Improvement] Micro optimizations for module resolutions
• [Breaking] Removed Metro's old configuration
• [Breaking] Removed resolving to platform specific asset name
• [Breaking] Removed virtualMapper config option

See 0.58.0...0.59.0 for a full list of changes.