fixed fixtures (0.3.2)

What's new 🥳

• The documentation looking outstanding
• Simplified the fixtures process

Breaking

• We've removed the fixtures feature, it was too confusing when to use a fixture vs when to use manifest_contract
• We didn't set this as a deprecated feature because, well, no one uses this tool yet.

What's Changed

• fix: install docs by @PatrickAlphaC in #113
• feat: docs colors by @PatrickAlphaC in #114
• fix: docs by @PatrickAlphaC in #115
• fix: fixtures only working after 1 run by @PatrickAlphaC in #126
• Release/0.3.2 by @PatrickAlphaC in #127

Full Changelog: 0.3.1...0.3.2