github: add issue and pull request templates

Refs: nodejs/node#5291
PR-URL: #22
Reviewed-By: Chengqiang Chen <602196490@qq.com>
Reviewed-By: Cleverboy32 <wyzhdu@163.com>

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,24 @@
+<!--
+Thank you for reporting an issue.
+
+This issue tracker is for bugs and issues found within Akyuu.js core.
+
+
+Please fill in as much of the template below as you're able.
+
+Version: the package version of Akyuu.js
+Node.js Version: output of `node -v`
+Platform: output of `uname -a` (UNIX), or version and 32 or 64-bit (Windows)
+Subsystem: if known, please specify affected core module name
+
+If possible, please provide code that demonstrates the problem, keeping it as
+simple and free of external dependencies as you are able.
+-->
+
+* **Version**:
+* **Node.js Version**:
+* **Platform**:
+* **Subsystem**:
+
+<!-- Thie template Refs to Node.js -->
+<!-- Enter your issue details below this comment. -->

.github/PULL_REQUEST_TEMPLATE.md

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+<!--
+Thank you for your pull request. Please provide a description above and review
+the requirements below.
+
+Bug fixes and new features should include tests and possibly benchmarks.
+
+Contributors guide: https://github.com/nodejs/node/blob/master/CONTRIBUTING.md
+Temporarily please refer to Node.js' CONTRIBUTING.md
+-->
+
+##### Checklist
+<!-- Remove items that do not apply. For completed items, change [ ] to [x]. -->
+
+- [ ] `make test` (UNIX), or `???` (Windows) passes
+- [ ] tests and/or benchmarks are included
+- [ ] documentation is changed or added
+- [ ] commit message follows Node.js [commit guidelines](https://github.com/nodejs/node/blob/master/CONTRIBUTING.md#commit-message-guidelines)
+
+##### Affected core submodule(s)
+<!-- Provide affected core submodule(s) (like service, model, boot, etc). -->