Development:How to add PB training pattern

1. Create trng file
2. Set public_id to it which is maximum public_id + 1. Maximum public_id could be found here Trng. For example "90"
3. Create wiki page "New_pattern"
4. Create page "Trainings/New_pattern" as redirect to "New_pattern", its content should be:

   #REDIRECT [[Special:MyLanguage/New_pattern]]

5. Create page "Trng/new_public_id" (for example "Trng/90") as redirect to "New_pattern"
6. Commit and push pattern to git. Pull repository on the server.