Generate changelog and add PR template (#34)

* Generate CHANGELOG.md file using notes from previous GH releases

* Add pull request template

* Update CI in PS to v0.14.0-rc5

Author: JordanMartinez

.github/PULL_REQUEST_TEMPLATE.md

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+**Description of the change**
+
+Clearly and concisely describe the purpose of the pull request. If this PR relates to an existing issue or change proposal, please link to it. Include any other background context that would help reviewers understand the motivation for this PR.
+
+---
+
+**Checklist:**
+
+- [ ] Added the change to the changelog's "Unreleased" section with a reference to this PR (e.g. "- Made a change (#0000)")
+- [ ] Linked any existing issues or proposals that this pull request should close
+- [ ] Updated or added relevant documentation
+- [ ] Added a test for the contribution (if applicable)

CHANGELOG.md

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+# Changelog
+
+Notable changes to this project are documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+Breaking changes:
+
+New features:
+
+Bugfixes:
+
+Other improvements:
+
+## [v5.0.1](https://github.com/purescript-node/purescript-node-http/releases/tag/v5.0.1) - 2019-05-28
+
+* Relax upper bounds on `foreign-object` and `options`
+
+## [v5.0.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v5.0.0) - 2018-05-29
+
+Updates for 0.12
+
+## [v4.2.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v4.2.0) - 2017-11-06
+
+Add `Node.HTTP.close` (@lpil)
+
+## [v4.1.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v4.1.0) - 2017-08-02
+
+Bindings to node's `https` module (@cprussin).
+
+## [v4.0.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v4.0.0) - 2017-04-05
+
+Updates for 0.11 compiler (@anilanar)
+
+## [v3.0.1](https://github.com/purescript-node/purescript-node-http/releases/tag/v3.0.1) - 2016-11-10
+
+Fix an accidentally exported function (`listenImpl`).
+
+## [v3.0.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v3.0.0) - 2016-11-10
+
+- Allow specifying a hostname and backlog when calling `Node.HTTP.listen`
+- Add `listenSocket`.
+
+## [v2.0.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v2.0.0) - 2016-10-22
+
+- Updated dependencies
+
+## [v1.2.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v1.2.0) - 2016-09-06
+
+Add IP address family option (@kika)
+
+## [v1.1.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v1.1.0) - 2016-08-14
+
+Separate headers and cookies to avoid type errors (@kika)
+
+## [v1.0.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v1.0.0) - 2016-06-10
+
+Updates for 1.0/0.9.1
+
+## [v0.4.1](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.4.1) - 2016-05-02
+
+Fix license in bower.json for Pursuit
+
+## [v0.4.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.4.0) - 2016-05-02
+
+- Bump dependency on `purescript-node-streams`
+
+## [v0.3.1](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.3.1) - 2016-02-28
+
+Support HTTPS (@hdgarrood)
+
+## [v0.2.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.2.0) - 2016-01-12
+
+Bump `streams` dependency (@hdgarrood)
+
+## [v0.1.7](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.1.7) - 2015-11-12
+
+Add `setTimeout`
+
+## [v0.1.6](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.1.6) - 2015-09-29
+
+
+
+## [v0.1.5](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.1.5) - 2015-09-29
+
+Fix type of `headers`.
+
+## [v0.1.4](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.1.4) - 2015-09-28
+
+Add `requestFromURI`.
+
+## [v0.1.3](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.1.3) - 2015-09-28
+
+Add client module.
+
+## [v0.1.2](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.1.2) - 2015-09-23
+
+Fix `bower.json`
+
+## [v0.1.1](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.1.1) - 2015-09-23
+
+Pursuit
+
+## [v0.1.0](https://github.com/purescript-node/purescript-node-http/releases/tag/v0.1.0) - 2015-09-23
+
+Initial release
+