Graphical json editor

[scheidan]

In the midterm is would be beneficial to have a graphical interface to edit the technoloy library. For example to modify or add technologies. Such an interface should guarantee, that the resulting json files can be imported in Santiago (i.e. it has the correct schema).

With following projects such an interface could be build rather easely (given some JavaScript skills):
https://github.com/json-editor/json-editor
https://github.com/tangram-js/json-schema-editor