Add guidance on timings and easing

[ci skip]

Detail when not to use easing

Add dropdown and hover examples

Add quick update animation

[ci skip]

[ci skip]

Describe hover, focus and active states for primary and secondary
buttons.

Organized the icons section in a table. Replaced images for icons
so they are all the same size.

Organized the color section in a table. Replaced the images with
new ones so the table would have a more manageable size. Updated
the values for some colors to show the $color-light shade.

Remove commented sections

Remove `db/schema.rb`

Add db/schema.rb from origin/master

Fix typos

This reverts merge request !7909

[ci skip]

[ci skip]

Signed-off-by: Rémy Coutable <remy@rymai.me>

[ci skip]

The task will use the canonical repo and the required version.

Signed-off-by: Rémy Coutable <remy@rymai.me>

GitLab 8.12 introduced a new permissions model which tightened the
security of Container Registry. It is now required to use a personal
token if 2FA is enabled.

[ci skip]

[ci skip]

[ci skip]

[ci skip]

[ci skip]

[ci skip]

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

While not technically invalid, it is not necessary to have the 
`memberOf` OID in the `user_filter`. It clutters things up and causes
confusion for users so it's better if we remove it from the docs. 

[ci skip]

Primary and secondary links should be dark blue on hover

Update anchor image to dark blue for secondary

Clean up markdown

Fix anchorlinks image

Fix spelling

Signed-off-by: Rémy Coutable <remy@rymai.me>

[ci skip]

v1.0.0 was mistakenly tagged with a lightweight, rather than annotated, tag,
which caused compiled versions of workhorse to wrongly report their version.

You can only assign default_branch when editing a project or when creating a project for a specified user [ci skip]

You can only assign default_branch when editing a project [ci skip]