DOC: Add developer docs to get docker setup

[toryhaavik]

No description provided.

[codecov]

Codecov Report

Merging #1948 into master will decrease coverage by 1.67%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1948      +/-   ##
==========================================
- Coverage   87.68%   86.01%   -1.68%     
==========================================
  Files          93       93              
  Lines       16971    16971              
  Branches     2145     2145              
==========================================
- Hits        14881    14597     -284     
- Misses       1681     1967     +286     
+ Partials      409      407       -2

Impacted Files	Coverage Δ
ibis/bigquery/client.py	41.1% <0%> (-53.39%)	⬇️
ibis/bigquery/compiler.py	59.92% <0%> (-37.5%)	⬇️
ibis/bigquery/udf/api.py	80.48% <0%> (-14.64%)	⬇️
ibis/impala/compiler.py	91.23% <0%> (-5.2%)	⬇️
ibis/pandas/dispatch.py	95.45% <0%> (-4.55%)	⬇️
ibis/pandas/client.py	85.54% <0%> (-3.47%)	⬇️
ibis/bigquery/api.py	63.33% <0%> (-3.34%)	⬇️
ibis/expr/schema.py	90.1% <0%> (-1.1%)	⬇️
ibis/sql/compiler.py	94.26% <0%> (-0.39%)	⬇️
ibis/expr/api.py	92.33% <0%> (-0.37%)	⬇️
... and 1 more

[toryhaavik]

Why would code coverage change for a simple change to the documentation? Any ideas @cpcloud ?

[xmnlab]

some days ago codecov appears in a discussion on https://gitter.im/ibis-dev/Lobby

my impression is that codecov need some "calibration"

[xmnlab]

LGTM. thanks @toryhaavik for working on that.