Release v1.31.0

Added better types for the I18n.t function based on words in i18n/en.json for TypeScript React UI (#630) · Migration guide
An adapter with devcontainer but without React no longer contains files for parcel (#635) · Migration guide: Delete .devcontainer/parcel directory.
Add support for number input settings in index_m.html (#634)
Fixing wrong comment about message box: to get message events, you need to set common.messagebox to true. (#638)