Update support contact information on homepage (#1463)

Added a link to the Cabinet Office AI Hub for further information.

Update support contact information on homepage (#1463)

Added a link to the Cabinet Office AI Hub for further information.

feature/oauth (#1459)

* feature/oauth

* updated .tf

* bug fix for local testing

* simplified

* remove static files

* simplified stettings

* added missing env vars

* updated envvar names

* updated envvar names

* corrected envvar names

* added SOCIAL_AUTH_FIELDS_STORED_IN_SESSION

* switched to allauth

* remove duplication

* remove unecessary code

* restored SESSION_COOKIE_AGE

* added redirect screen

* fix tests

* ACCOUNT_USER_MODEL_USERNAME_FIELD = None

* fixed login

* working locally

* Trigger Build

* made socail settings more explicit

* removed sign up

feature/litellm (#1458)

* added litellm proxy code

* formatting

* updated integration tests

* formatting

* changed to openaichat

* formatting

* formatting

* fixed tests

* removed unused packages

* remive unused code

Update to i.AI Design System v0.5.2

bugfix/elastic-index (#1448)

chore/increase-cpu-mem-for-worker (#1445)

SPIKE: Get Mermaid charts rendering (#1063)

* Get Mermaid charts rendering

* Try applying Mermaid styles programmatically

* Get Mermaid labels displaying again

* Remove inline-styles from Mermaid diagrams

* Remove "allow-duplicates" from Trusted Types policy

linting

* Allow users to view the mermaid chart code

* Add gantt chart and sequence diagram styling

Improve other mermaid charts

chore/increase-worker-number (#1443)

bugfix/fix-elastic-logging (#1442)