Olive Release Notes (#2093)

* docs: Learning MFE is now required

* docs: perf: add lru_cache to improve performance with multiple themes

* docs: persistent grades

* docs: deprecate frontend-learner-portal-base repository

* docs: other deprecations

* docs: link to wiki page How to Enable Persistent Grades

* docs: legacy OLX attributes removed

* docs: removed JSME problem type

* docs: remove django-ratelimit-backend dependencies

* docs: removed learner view in insights

* docs: pages & resources

* docs: link to new persistent grades docs

Co-authored-by: Kyle McCormick <kmccormick@edx.org>

* fix: link to Migrating to Persistent Grading

* docs: New Text / HTML Editing Experience

* docs: remove duplicate mention of Molecular Structure Problem Type

* docs: settings and toggles

* docs: add discussion section with one bullet about moderator notifications

* docs: section on Hooks Extension Framework

* docs: JWT_ACCESS_TOKEN_EXPIRE_SECONDS

* docs: new setting PREPEND_LOCALE_PATHS

* docs: add reset option to the Randomized Content Block

* docs: upgrades TinyMCE version 4 to version 5.5.1 in Studio

* docs: more discussion forum events

* docs: DISABLE_JWT_FOR_MOBILE

* docs: discussions MFE

* docs: Authentication MFE

* docs: discussions MFE known issues

* docs: Open edX Test Course

* docs: MFE runtime configuration support

Co-authored-by: Adolfo R. Brandes <arbrandes@arbrand.es>

* docs: clarify reported discussion notifications setting

Co-authored-by: Adolfo R. Brandes <arbrandes@arbrand.es>

* docs: authn and discussions MFE are no-longer pre-alpha

Co-authored-by: Adolfo R. Brandes <arbrandes@arbrand.es>

* docs: discussion MFE is enabled by default

* docs: grades are already persistent in Tutor, since nutmeg

* docs: link to Tutor changelog

* docs: add Known Issues section

* docs: 'Open edX' can only be an adjective

Co-authored-by: Sarina Canelake <sarina@tcril.org>

* docs: it's spelled Micro-frontend

Co-authored-by: Sarina Canelake <sarina@tcril.org>

* docs: the Tutor MFE plugin must be installed and enabled

* docs: recommend making grades persistent before upgrading

* docs: Course authoring MFE enabled _by default_

* docs: legacy discussions and authentication ui could be removed as soon as Palm

* docs: upgrade note for MFE runtime config

Co-authored-by: Adolfo R. Brandes <arbrandes@arbrand.es>

* docs: MFE runtime configuration breaking change, and upgrade note

* docs: 'pre-alpha' → 'not supported in tutor' and removed Learner Record MFE

* docs: known issue Android 3.0.2

* docs: mention rename of HTML editor to Text editor

* docs: link to wiki page for Text Component

* docs: link to wiki pages for Zoom integration

* docs: remove deprecation note about v1 catalog API

* docs: more known issues

* docs: impact of android bug

* docs: remove extraneous tick mark

Co-authored-by: Kyle McCormick <kmccormick@edx.org>
Co-authored-by: Adolfo R. Brandes <arbrandes@arbrand.es>
Co-authored-by: Sarina Canelake <sarina@tcril.org>