Add spatial filter

[mmaelicke]

close #52

• [x] add docs of utility functions

• [x] add API - location keyword

• [x] add Entry.neighbors functions

• [x] check API and models docs

• [x] check tests

[codecov[bot]]

Codecov Report

Merging #103 (21b6fd6) into master (50dedf3) will increase coverage by 0.52%. The diff coverage is 60.62%.

@@            Coverage Diff             @@
##           master     #103      +/-   ##
==========================================
+ Coverage   55.56%   56.08%   +0.52%     
==========================================
  Files          56       56              
  Lines        2498     2578      +80     
==========================================
+ Hits         1388     1446      +58     
- Misses       1110     1132      +22     

Flag	Coverage Δ
e2e	56.08% <60.62%> (+0.52%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
metacatalog/cmd/_util.py	72.00% <ø> (ø)
metacatalog/cmd/add.py	11.42% <ø> (ø)
metacatalog/cmd/catalog.py	27.77% <ø> (ø)
metacatalog/cmd/create.py	42.85% <ø> (ø)
metacatalog/cmd/show.py	19.35% <ø> (ø)
metacatalog/api/find.py	50.35% <50.35%> (+0.17%)	:arrow_up:
metacatalog/util/location.py	67.16% <67.16%> (ø)
metacatalog/models/entry.py	69.96% <69.96%> (+0.67%)	:arrow_up:
... and 6 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 50dedf3...21b6fd6. Read the comment docs.