Resolve "maintain bdtopo"

Closes #16

See merge request !19

Resolve "manage BAN"

Closes #22

See merge request !20

Resolve "analyse-bdtopo"

Closes #21 and #19

See merge request !17

- DESCRIPTION and NAMESPACE files modified
- Inclusion of packages 'sf' and 'knitr' in Imports instead of in Depends
- Inclusion of '@import kableExtra' in function generate_report()

R CMD check results
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Merge branch '16-maintain-bdtopo' of gitlab-ssh.irstea.fr:flood-appraisal/floodam/floodam-data into 16-maintain-bdtopo

- Function analyse_bd_topo renamed analyse_dwelling.
- Script analyse_bd_topo renamed analyse_dwelling.
- Function analyse_dwelling renamed analyse_dwelling_type.
- Functions analyse_building, analyse_dwelling_type and analyse_dwelling heavily modified/rewritten
- Structure & names of the output of function analyse_dwelling modified
- Functions analyse_building, analyse_dwelling_type and analyse_dwelling adapted to convention: 'result' list as output & fed only as last step (thus minimizing operations upon such a list)
- Removed parameter 'type' from function analyse_dwelling
- Modified default value parameter destination
- Documentation updated