Deploying a Shiny app using a self-written package



I want to deploy a shiny app on My app use a package I made, but I cant deploy the app because it doesn't know my package on CRAN. I know we can use github with devtools so I tried like this :


I have the same problem...If I writte without library(NxT), it's working, but the app doesn't work on the web because it doesn't know the function from the package...
The log give me this

Downloading GitHub repo zertupo/NxT@master
2018-05-15T14:49:06.269928+00:00 shinyapps[343120]: from URL
2018-05-15T14:49:06.538353+00:00 shinyapps[343120]: Installation failed: Does not appear to be an R package (no DESCRIPTION)
2018-05-15T14:49:06.583190+00:00 shinyapps[343120]: Warning: Error in next_word: could not find function "next_word"

It's weel a package with a DESCRIPTION file...and obviously the function is not found, the package is not loaded...

Anyone could help me ?