v0.4.1

This release includes work towards v1.0.0, namely stability improvements.

Features

• feat: extend Redis cache TTL on successful tile fetch

Fixes

• fix: nil pointer dereference due to bad boolean logic
• fix: properly validate and invalidate tiles from the cache
• fix: properly set up bigcache internals

Chores

• new build system using GitHub Actions
• improved documentation across the board
• added Getting Started Section to README

Full Changelog: v0.3.0...v0.4.1