Retained legacy asset provenance

The compatibility JavaScript, styles, icons, manifest and resource JSON are an
unchanged historical snapshot retained for existing browser clients. The current
Food Help MPL-2.0 licence does not relicense these historical assets or rewrite
their original terms. Existing copyright and third-party rights remain applicable.
The original source and release provenance are retained privately by maintainers;
this notice makes no claim that the historical source is publicly available.

The unchanged bundled font remains covered by /transition-licenses/OFL.txt.
No general reuse licence is granted for provider material or the resource data.
The new retirement worker is separately served as unminified source at /sw.js
under MPL-2.0; its licence is /transition-licenses/MPL-2.0.txt. Current Food Help
source and data notices are available at https://kingston.food-help.ca/licenses/.