Add/update issue, PR templates, code of conduct, contributing guide
Add/update issue, PR templates, code of conduct, contributing guide

DCN-34 - adjusted expectations

Kentico/KInspector,ChristopherJennings/KInspector,ChristopherJennings/KInspector,ChristopherJennings/KInspector,ChristopherJennings/KInspector,Kentico/KInspector,Kentico/KInspector,Kentico/KInspector