Configure GitHub issues

Closes gh-1464

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,6 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Community Support
+    url: https://stackoverflow.com/tags/spring-ws
+    about: Please ask and answer questions on StackOverflow with the tag `spring-ws`.
+

.github/ISSUE_TEMPLATE/issue.md

@@ -0,0 +1,23 @@
+---
+name: General
+about: Bugs, enhancements, documentation, tasks.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+
+Have you considered asking for help on stackoverflow.com?
+
+** Bug Reports **
+Please submit issues against OSS supported versions, see https://spring.io/projects/spring-ws#support
+Please provide a minimal sample application that reproduces the problem for faster issue triage.
+
+** Enhancements requests **
+Before explaining how you would like things to work,
+please describe a concrete use case for this feature and how you have tried to solve this so far.
+
+-->
+