updated .gitignore
Revert "updated .gitignore"

This reverts commit c9c2b3b883b0f50fe3a1efb596ff84841bd39ef5.
updated .gitignore
updated 'requirements.txt'
assimilation of 'main' app from iNPA
assimilation of 'npnrs' app from iNPA
assimilation of 'taxonomy' app from iNPA
assimilation of 'cybertracker.py' from iNPA
assimilation of 'layermappingx.py' from iNPA
assimilation 'obs/management/commands' from 'obsr' app on iNPA
fixed 'import_obs.py' on 'obs' app
created 'compare_obs.py' for 'obs/management'
updated migrations for 'ons' app
fixed 'queries.py' for 'obs' app
added 'obs_search.html' to replace 'obs_list.html'
fixed '_obs_popup.html' from 'obsr' on iNPA
updated migrations for 'pages'
added 'base2.html' for 'pages/templates' - only 'obs_search.html' use it (from iNPA)
added '_navbar.html' for 'base2.html'
updated 'static' folder on 'redspecies'  (maybe need to delete some of it)