Actual tasks

[alinzh]

Need to do:

1. Refactor by usage scenario ab_initio_calculations#13 (doesn't work)
2. Add convertor inp -> xml ab_initio_calculations#14 (doesn't work, Aiida problems)
3. Add parsers for Fleur alinzh/dft_organizer#2

Looks ready for a merge (or close):

1. Changes in examples: change Pandas to Polars mpds-api#63
2. Change Pandas on Polars package  #18
3. Add a method for the ab initio logs downloading #19 and Add a method for the ab initio logs downloading  #20
4. Primitive vs. conventional lattice treatment ab_initio_calculations#15 and https://bitbucket.org/tilde-mi/absolidix-backend/issues/18/primitive-vs-conventional-cell-treatment
5. https://bitbucket.org/tilde-mi/absolidix-backend/pull-requests/36
6. https://bitbucket.org/tilde-mi/absolidix-backend/pull-requests/38

[alinzh]

@blokhin, please, pay attention to tasks from "Looks ready for a merge (or close)". They looks finished.