In #12379 it was discovered that enry v2 has a maximum language length
of 34 characters which is larger than the 30 previously provided.

This PR updates the language column to 50.

Fix #12379

* Fix language stat calculation

* Group languages and ignore 0 size files

* remove unneeded code

* Change language statistics to save size instead of percentage in database

Co-Authored-By: Cirno the Strongest <1447794+CirnoT@users.noreply.github.com>

* Do not exclude if only language

* Fix edge cases with special langauges

Co-authored-by: Cirno the Strongest <1447794+CirnoT@users.noreply.github.com>

* Update header.tmpl

* Update _repository.less

* Update pull.go

* Update indexer.go

* Update pull.go

* Update pull.go

* Update indexer.go

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

Thanks the advice from lunny and 6543.

* fix forked repo doesn't have language stat

Modified as suggested by 6543.

* fix forked repo doesn't have language stat

simplify the function.

* fix forked repo doesn't have language stat

update the indexer after the loop

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>

Fix test and switch to unique queue

Fix MySQL support when deleting old statistics

* Implementation for calculating language statistics

Impement saving code language statistics to database

Implement rendering langauge stats

Add primary laguage to show in repository list

Implement repository stats indexer queue

Add indexer test

Refactor to use queue module

* Do not timeout for queues