* [dhall/en] Typo & highlight terms
Template and package are referencing concepts from other languages, so
let’s highlight them to clarify.
* [dhall/de] Translate to German
The translation leaves (most) of the code as-is, only changing the
comments and some string contents.
The `philadelphia` and `john` fields are changed to `augsburg` and
`bernd` respectively, as an in-joke for German programmers.
