Gated Tutorial and Bugfixes

Major Changes :

• The current tutorial is replaced by a gated tutorial with proper explanations.
• Tea now takes a month to be pluckable (previously it was 4 years)
• Garden can now go bankrupt.
• Factory system upgraded and simplified (please see the tutorial)

Minor Bugfixes

1. UI text rendering is improved
2. Description bug in the process chart
3. Machine sprite bug
4. Kgs are shown in fraction
5. Leaves below 1 Kg can now be sold
6. Scores also have a fraction value apart from the star system
7. Age of Tea in years, months, and days
8. The discrepancy between source compounds and results fixed
9. The timer section is improved
10. Faster time progress in fields
11. Flavor profile rescale bug
12. Machine settings are now locked during processing
13. A weighted average of pluck
14. Machines can't be started without leaves (previously it was possible)
15. Land treatment bugfix