Update and rename issue_template.md to ISSUE_TEMPLATE.md

Author: tclindner

.github/issue_template.md renamed to .github/ISSUE_TEMPLATE.md

@@ -1,5 +1,3 @@
-:tada: Thank you for opening an issue!
-
 When reporting a bug, please include:
 
   * A little info about your environment
@@ -9,5 +7,3 @@ When reporting a bug, please include:
   * The output from npm-package-json-lint
   * What you expected to happen
   * The steps to reproduce the problem
-
-Thanks again :thumbsup: