Redirect transformation to main docs

[penelopeysm]

Followup from TuringLang/docs#582.

Closes #713

[coveralls]

Pull Request Test Coverage Report for Build 13122311892

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 51 unchanged lines in 11 files lost coverage.
• Overall coverage remained the same at 86.259%

---

Files with Coverage Reduction	New Missed Lines	%
src/varnamedvector.jl	1	88.25%
src/sampler.jl	1	94.03%
src/utils.jl	2	73.2%
src/contexts.jl	3	30.21%
src/values_as_in_model.jl	3	69.23%
src/distribution_wrappers.jl	4	41.67%
src/model.jl	5	80.0%
src/varinfo.jl	6	84.17%
src/simple_varinfo.jl	6	81.96%
src/compiler.jl	8	86.58%

Totals
Change from base Build 12993040441:	0.0%
Covered Lines:	3710
Relevant Lines:	4301

---

💛 - Coveralls

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.17%. Comparing base (29a6c7e) to head (e824034).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #798   +/-   ##
=======================================
  Coverage   86.17%   86.17%           
=======================================
  Files          36       36           
  Lines        4305     4305           
=======================================
  Hits         3710     3710           
  Misses        595      595           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.