Text inside rectangle annotation item (Request in QGIS)

[qgis-bot]

Request for documentation

From pull request qgis/QGIS#58147
Author: @nyalldawson
QGIS version: 3.40

**Text inside rectangle annotation item **

PR Description:

Builds off qgis/QGIS#58126 and adds a "text inside rectangle" annotation item type

Refs qgis/QGIS-Enhancement-Proposals#269

Commits tagged with [need-docs] or [FEATURE]

"[FEATURE] Text inside rectangle annotation item\n\nThis adds a new annotation item type for rendering paragraphs\nof text inside a rectangle\n\nOptions are present for:\n\n- Text format\n- Horizontal and vertical alignment\n- Margins\n- Background and frame symbol"