Launched the MVP

What's Changed

• Add layouts by @Temez1 in #13
• Math input by @Temez1 in #14
• Add learning session recommendation algorithm by @Temez1 in #16
• Fix sounds import bug by @Temez1 in #17
• Add guidance feature by @Temez1 in #19
• Basic operations by @Temez1 in #20
• Answer evaluation by @Temez1 in #22
• Fix Change event fired twice bug by @Temez1 in #23
• Progression functionality by @Temez1 in #24
• Exponent and root by @Temez1 in #27
• Progression view by @Temez1 in #29
• Add topic & sub topic views by @Temez1 in #31
• Add user login by @Temez1 in #34
• Progression save to db by @Temez1 in #35
• Add order of operations by @Temez1 in #36
• Add hosting by @Temez1 in #38

Full Changelog: https://github.com/Temez1/mathflow/commits/MVP