Adds functionality for automorphisms of simplicial complexes

[antonydellavecchia]

Adds automorphism_group for simplical complex, action can either be on the facets or on the vertices

[codecov[bot]]

Codecov Report

Merging #3498 (f49653f) into master (3095524) will decrease coverage by 0.47%. Report is 81 commits behind head on master. The diff coverage is 95.65%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3498      +/-   ##
==========================================
- Coverage   82.17%   81.70%   -0.47%     
==========================================
  Files         563      579      +16     
  Lines       75842    83476    +7634     
==========================================
+ Hits        62324    68208    +5884     
- Misses      13518    15268    +1750     

Files	Coverage Δ
src/Combinatorics/SimplicialComplexes.jl	96.71% <95.65%> (+1.71%)	:arrow_up:

... and 91 files with indirect coverage changes