[WIP] filter/sort repos on org home page

[techknowlogick]

add search/sorting to org home page
fixes #3031

This doesn't work yet, and is still a work in progess

[codecov-io]

Codecov Report

Merging #3081 into master will decrease coverage by 0.05%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master   #3081      +/-   ##
=========================================
- Coverage   34.05%     34%   -0.06%     
=========================================
  Files         273     273              
  Lines       39998   40037      +39     
=========================================
- Hits        13620   13613       -7     
- Misses      24443   24486      +43     
- Partials     1935    1938       +3

Impacted Files	Coverage Δ
routers/user/home.go	37.3% <0%> (-4.3%)	⬇️
models/repo_indexer.go	45.54% <0%> (-3.47%)	⬇️
models/repo.go	38.15% <0%> (-0.19%)	⬇️
modules/process/manager.go	81.15% <0%> (+4.34%)	⬆️

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[lunny]

Maybe some screenshots after you finished it.

[techknowlogick]

Closing as 3124 has some refactoring in it that will make most of this PR moot. May reopen with org specific changes once that other PR is merged.