Move all Pages related content to a single location

Closes #28819 and #28714

See merge request !9583

Fix Cycle Analytics -> Plan is loading forever

Closes #27622

See merge request !9577

Move `Group -> Members` to top-level, fix missing sub-nav for Subgroups

Closes #28678

See merge request !9589

Left align logo; increase max width of title

Closes #27934

See merge request !9588

Fix CI tables action buttons are hidden is smaller screens

Closes #28661

See merge request !9578

Document use of AirBnb js styleguide and eslint.

See merge request !9558

Fix 'New Tag' layout on Tags page

See merge request !9176

API project create: Make name or path required

Closes #6073

See merge request !9416

Checks if key is present before accessing it

Fix broken test

[ci skip]

Don't allow a project to be shared with an ancestor of the group it is in

Closes #28788

See merge request !9566

Put back the new project button

Closes #27354

See merge request !9426

Fix access to projects shared with a nested group

Closes #28787

See merge request !9565

Ignore builds dir when run rubocop check

See merge request !9580

Merge branch '28769-raise-custom-exception-in-all-methods-of-mergeservice-that-want-to-inform-the-user' into 'master'

Use exceptions for MergeService error handling

Closes #28769

See merge request !9576

Return 204 on all DELETE endpoints

Closes #20429

See merge request !9397

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Transform pipelines table css to match structure of pipelines table
Make environments table overflow

If any method called by `MergeService#execute` raises a `MergeError`,
that error's message will be logged, the model will be updated, and the
merge will fail.

Clarify when to create EE compatibility MR in code review process

See merge request !9575

Only create unmergeable todos once

Closes #28555

See merge request !9513

Fix migration without DOWNTIME clause specified

See merge request !9571