Docs: Add missing redirects to /user and /project_services docs

doc/project_services/bamboo.md

+---
+redirect_to: '../user/project/integrations/bamboo.md'
+---
+
 This document was moved to [user/project/integrations/bamboo.md](../user/project/integrations/bamboo.md).

doc/project_services/bugzilla.md

+---
+redirect_to: '../user/project/integrations/bugzilla.md'
+---
+
 This document was moved to [user/project/integrations/bugzilla.md](../user/project/integrations/bugzilla.md).

doc/project_services/emails_on_push.md

+---
+redirect_to: '../user/project/integrations/emails_on_push.md'
+---
+
 This document was moved to [user/project/integrations/emails_on_push.md](../user/project/integrations/emails_on_push.md).

doc/project_services/irker.md

+---
+redirect_to: '../user/project/integrations/irker.md'
+---
+
 This document was moved to [user/project/integrations/irker.md](../user/project/integrations/irker.md).

doc/project_services/jira.md

+---
+redirect_to: '../user/project/integrations/jira.md'
+---
+
 This document was moved to [user/project/integrations/jira.md](../user/project/integrations/jira.md).

doc/project_services/kubernetes.md

+---
+redirect_to: '../user/project/integrations/kubernetes.md'
+---
+
 This document was moved to [user/project/integrations/kubernetes.md](../user/project/integrations/kubernetes.md).

doc/project_services/mattermost.md

+---
+redirect_to: '../user/project/integrations/mattermost.md'
+---
+
 This document was moved to [user/project/integrations/mattermost.md](../user/project/integrations/mattermost.md).

doc/project_services/mattermost_slash_commands.md

+---
+redirect_to: '../user/project/integrations/mattermost_slash_commands.md'
+---
+
 This document was moved to [user/project/integrations/mattermost_slash_commands.md](../user/project/integrations/mattermost_slash_commands.md).

doc/project_services/project_services.md

+---
+redirect_to: '../user/project/integrations/project_services.md'
+---
+
 This document was moved to [user/project/integrations/project_services.md](../user/project/integrations/project_services.md).

doc/project_services/redmine.md

+---
+redirect_to: '../user/project/integrations/redmine.md'
+---
+
 This document was moved to [user/project/integrations/redmine.md](../user/project/integrations/redmine.md).

doc/project_services/services_templates.md

+---
+redirect_to: '../user/project/integrations/services_templates.md'
+---
+
 This document was moved to [user/project/integrations/services_templates.md](../user/project/integrations/services_templates.md).

doc/project_services/slack.md

+---
+redirect_to: '../user/project/integrations/slack.md'
+---
+
 This document was moved to [user/project/integrations/slack.md](../user/project/integrations/slack.md).

doc/project_services/slack_slash_commands.md

+---
+redirect_to: '../user/project/integrations/slack_slash_commands.md'
+---
+
 This document was moved to [user/project/integrations/slack_slash_commands.md](../user/project/integrations/slack_slash_commands.md).

doc/user/account/security.md

+---
+redirect_to: '../profile/account/index.md'
+---
+
 This document was moved to [profile](../profile/account/index.md).

doc/user/account/two_factor_authentication.md

+---
+redirect_to: '../profile/account/two_factor_authentication.md'
+---
+
 This document was moved to [profile/account/two_factor_authentication](../profile/account/two_factor_authentication.md).

doc/user/profile/account/index.md

+---
+redirect_to: '../index.md#profile-settings'
+---
 
 This document was moved to [../index.md#profile-settings](../index.md#profile-settings).

doc/user/project/builds/artifacts.md

+---
+redirect_to: '../pipelines/job_artifacts.md'
+---
+
 This document was moved to [pipelines/job_artifacts](../pipelines/job_artifacts.md).

doc/user/project/gpg_signed_commits/index.md

+---
+redirect_to: '../repository/gpg_signed_commits/index.md'
+---
+
 This document was moved to [another location](../repository/gpg_signed_commits/index.md).

doc/user/project/integrations/kubernetes.md

+---
+redirect_to: '../clusters/index.md'
+---
+
 This document was moved to [another location](../clusters/index.md).

doc/user/project/integrations/prometheus_library/metrics.md

+---
+redirect_to: 'index.md'
+---
+
 This document was moved to [another location](index.md).

doc/user/project/merge_requests.md

+---
+redirect_to: 'merge_requests/index.md'
+---
+
 This document was moved to [merge_requests/index.md](merge_requests/index.md).

doc/user/project/merge_requests/maintainer_access.md

+---
+redirect_to: 'allow_collaboration.md'
+---
+
 This document was moved to [another location](allow_collaboration.md).

doc/user/project/merge_requests/merge_request_discussion_resolution.md

+---
+redirect_to: '../../discussions/index.md'
+---
+
 This document was moved to [another location](../../discussions/index.md).

doc/user/project/merge_requests/merge_when_build_succeeds.md

-This document was moved to [merge_when_pipeline_succeeds](merge_when_pipeline_succeeds.md).
+---
+redirect_to: 'merge_when_pipeline_succeeds.md'
+---
 
->[Introduced][ce-7135] by the "Rename MWBS service to Merge When Pipeline Succeeds" change.
+This document was moved to [merge_when_pipeline_succeeds](merge_when_pipeline_succeeds.md).
 
-[ce-7135]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7135
+>[Introduced](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7135) by the "Rename MWBS service to Merge When Pipeline Succeeds" change.

doc/user/project/releases.md

+---
+redirect_to: 'releases/index.md'
+---
+
 This document was moved to [another location](releases/index.md).

doc/user/project/slash_commands.md

+---
+redirect_to: 'quick_actions.md'
+---
+
 This document was moved to [user/project/quick_actions.md](quick_actions.md).