Add a template for new community usage

.github/ISSUE_TEMPLATE/new-community-usage-entry.md

@@ -0,0 +1,26 @@
+---
+
+title: 'Short title of the community'
+name: 'Suggesting to entry in the "Community usage" table'
+about: 'A community is using edam, and exposing one way or another how many entry are tagged with a term, and you would like to see it in the browser'
+labels: community+usage, new+feature
+---
+
+### Community home page:
+
+https://....
+
+### Accessibility of the term usage
+
+<!-- Please note that at least one of these options is needed, preferably the API way. If none this issue might stalled.  -->
+ * [ ] The community expose in a rest API the usage of a given term
+ * [ ] The community expose in a web interface the usage of a given term (thus have to be crawled)
+ * [ ] The community expose the overall usage of all term (thus have to be crawled)
+ * [ ] Others:
+
+#### links :
+ * 
+
+## details
+
+<!-- If you want to add anything -->