Add project report issue template

.github/ISSUE_TEMPLATE/project-report.md

@@ -0,0 +1,21 @@
+---
+name: Project report
+about: Provide information and text about OpenRail projects for the annual report
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+One-page overview of the projects with brief summary and ideally some icon to visually represent each project.
+
+For each project we will add the incubation stage as a small visiual indicator using the badge.
+
+Each project should address the following topics:
+
+* Which domain, which business requirement does it address
+* Which functionality
+* Technology
+* Adoption, community
+* Potential, future perspective
+* Reached milestones