Feature/#183 enhance pattern helper with type parameter

[janwidmer]

Purpose of this pull request?

• Documentation update
• Enhancement

The pull request refers to the:

• generator (generator-nitro)
• nitro app (@nitro/app)
• example nitro project (project-nitro)
• example nitro project with twig engine (project-nitro-twig)

What changes did you make?

Enhance the hbs pattern helper to have an optional type parameter. Using this parameter, one can call a pattern within a specific pattern type folder and therefore the pattern name only needs to be unique per pattern type folder

[ernscht]

great enhancement, will have a look soon

[ernscht]

Works great. But one thing. Elements are not covered. Element names has to be unique. How to proceed with this?

[janwidmer]

please recheck, added changes according to our discussion