Milestone 4

What's Changed

• fix: remove padding from description text to avoid overflow by @rorywhite200 in #88
• make all data binary. eliminate preprocess by @allan8392 in #90
• added cache to drop down menu by @allan8392 in #91
• minor changes to components to address Joel's feedback by @rorywhite200 in #101
• change x axis to log scale by @zhang-shizhe in #103
• temporarily disable cache by @allan8392 in #105
• reduced some numerical data precision by @allan8392 in #111
• Eliminated weekday apply by @allan8392 in #117
• Submit button by @rorywhite200 in #104
• turn cache back on by @allan8392 in #121
• fixed nan bug by @allan8392 in #130
• Sync airline colors by @LilyTao0531 in #135
• feat: add loading animation by @rorywhite200 in #127
• feat: add favicon by @rorywhite200 in #129
• feat: add reflection for milestone 4 by @rorywhite200 in #131
• Update README.md by @rorywhite200 in #132
• feat: add zoom on probability chart with cumulative tooltip by @rorywhite200 in #136
• replace GIF by @rorywhite200 in #137
• add padding to map and change chart color of histogram by @rorywhite200 in #138
• fix: smallest to shortest (grammar) by @rorywhite200 in #139
• add dynamic date last updated by @rorywhite200 in #140

Full Changelog: 0.3.0...0.4.0