Add back Ruby 2.4 support / update testing

Add back Ruby 2.4 support
Test on more versions in Appveyor
Test on the latest ruby versions in Travis
Add our full set of GitHub templates
Enable issue locking
Add a contributing file

Signed-off-by: Tim Smith <tsmith@chef.io>

1 files changed, 17 insertions, 0 deletions

diff --git a/.github/ISSUE_TEMPLATE/ENHANCEMENT_REQUEST_TEMPLATE.md b/.github/ISSUE_TEMPLATE/ENHANCEMENT_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..65bf5a0
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+++ b/.github/ISSUE_TEMPLATE/ENHANCEMENT_REQUEST_TEMPLATE.md
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+---
+name: 🚀 Enhancement Request
+about: I have a suggestion (and may want to implement it 🙂)!
+labels: "Status: Untriaged"
+---
+
+### Describe the Enhancement:
+<!---  What you are trying to achieve that you can't? -->
+
+### Describe the Need:
+<!---  What kind of user do you believe would utilize this enhancement, and how many users might want this functionality -->
+
+### Current Alternative
+<!--- Is there a current alternative that you can utilize to workaround the lack of this enhancement -->
+
+### Can We Help You Implement This?:
+<!---  The best way to ensure your enhancement is built is to help implement the enhancement yourself. If you're interested in helping out we'd love to give you a hand to make this possible. Let us know if there's something you need. -->