public / sequelize

Add optional `omitNull` flag to the `SaveOptions` interface.

Co-authored-by: Sascha Depold <sdepold@users.noreply.github.com>

* fix(model): convert count to number when grouping

* test(model#count): fix ordering issue in count test

* fix(types): add overload type for findAndCountAll with group

add overload type for findAndCountAll:
 - add overload type for findAndCountAll with group.
 - add test for checking return type of findAndCountAll with and without group

Closes #13302

* docs: update return type of findAndCountAll in model.js comment

Closes #13302

* fix(types): update overload findAndCountAll position

Co-authored-by: Sascha Depold <sdepold@users.noreply.github.com>

Closes #13288

Co-authored-by: Sascha Depold <sdepold@users.noreply.github.com>

* docs(collaboration): fix docker usage

* fix(collaboration): verification of mariadb setup

Fixes bug introduced by c7d7ca5e

Co-authored-by: Pedro Augusto de Paula Barbosa <papb1996@gmail.com>

Co-authored-by: Selenium39 <a895484122@gmail.com>
Co-authored-by: wantao <wan.tao@cn.ricoh.com>

Co-authored-by: Brian Schardt <35744893+brianschardt@users.noreply.github.com>
Co-authored-by: AllAwesome497 <47748690+AllAwesome497@users.noreply.github.com>

Co-authored-by: Pedro Augusto de Paula Barbosa <papb1996@gmail.com>

* meta: cleanup package.json

* meta: add some keywords to package.json

* meta: reorganize package.json scripts

* test: improve `test-unit` script in package.json

* test: refactor `rand()` function away from config

* test: cleanup config file

* meta: much better local development

Co-authored-by: Pedro Augusto de Paula Barbosa <papb1996@gmail.com>