Add code flow to Pipeline page

Update Highlight.js and add multi lines marking functionality

Add the left side of 'code flow' that including description and steps

Disable feature flag

Update 'vulnerability_file_contents' with new highlighted component

remove unnecessary code

move functions

fix pipeline errors

CR changes

Fix unit test

Fix error

CR changes

Add the left side of 'code flow' that including description and steps

Disable feature flag

Add the left side of 'code flow' that including description and steps

Disable feature flag

Update 'vulnerability_file_contents' with new highlighted component

move functions

Add the right side of 'code flow' that including code viewer

CR changes

Add the left side of 'code flow' that including description and steps

Disable feature flag

move functions

Add the right side of 'code flow' that including code viewer

temp commit

temp commit

temp commit

Add basic graphQL

Fix graphQL queries

fix code flow in pipeline page after graphql fixed

fix warnings

fix pipeline page after graphql + unit test

Add scrolling to modal body

Fix pipeline

Add and fix unit test

Fix unit test

Update graphQL docs: `bundle exec rake gitlab:graphql:compile_docs`

Fix Prettier: yarn run prettier --write '**/*.{graphql,js,vue}'

Fix rubocop violations

Remove unnecessary values

Fix BoundedContexts rubocop violations

Regenerated graphql_possible_types_extraction.js

Fix test

Fix test

Fix eslint error

CR changes

CR changes

Fix pipeline error: error  Arrow function has too many parameters (4). Maximum allowed is 3  max-params

Add 'pipelineVulnerabilityCodeFlow'

Feature flag in ruby

Create new feature flag