Move github files

.github/CONTRIBUTING.md

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+Thanks for helping out! 😇
+
+### Raising an issue
+
+* Make sure the issue hasn't been raised yet
+* Include **screenshots** and animated GIFs in your issue whenever possible
+* Tag your issue accordingly:
+    * is it about **Bulma** or about the **Docs**?
+    * is it a **Bug**, a **Feature**, a **Question**, or do you need **Help**?
+    * if it's a bug, is it a **Browser Bug** (only happens in one browser)?
+
+### Submitting a Pull Request
+
+* Include **screenshots** and animated GIFs in your pull request whenever possible
+* Use the **present** tense ("Add feature" not "Added feature")
+* Use the **imperative** mood ("Move cursor to..." not "Moves cursor to...")
+* Limit the first line to 72 characters or fewer
+* Reference issues and pull requests liberally
+
+### Bulma Sass styleguide
+
+* **No semi-colons** `;` or **curly braces** `{` `}`
+* **No camelCase**
+* Use only **classes**
+* Order the CSS properties **alphabetically**
+* Order the CSS rule by
+  * direct styles
+  * nested tags
+  * pseudo-classes
+  * color modifiers
+  * size modifers
+  * modifiers
+  * responsive styles
+* Add appropriate one-line comments for each of these sections within a CSS rule
+* **No trailing space**
+* End files with a **newline**
+
+```sass
+.element
+  @extend .something
+  +mixin
+  property: value
+  span
+    // ...
+  div
+    // ...
+  .child
+    // ...
+  &:pseudo-class
+    // ...
+  // Colors
+  @each $name, $pair in $colors
+    // Loop
+  // Sizes
+  &.is-small
+    // ...
+  &.is-medium
+    // ...
+  &.is-large
+    // ...
+  // Modifiers (ordered alphabetically)
+  &.has-icons
+    // ...
+  &.is-active
+    // ...
+  &.is-fullwidth
+    // ...
+  // Responsiveness
+  +mobile
+    // ...
+  +tablet
+    // ...
+  +desktop
+    // ...
+```

.github/ISSUE_TEMPLATE.md

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+### PLEASE READ THE FOLLOWING INSTRUCTIONS
+
+Tag your issue accordingly:
+
+* is it about Bulma or about the Docs?
+* is it a bug/feature/question or do you need help?
+* if it's a bug, is it a browser bug?
+
+Thanks for helping out! 😇
+
+Please remove any unused content (including these instructions) before submitting your issue.
+
+### Checklist
+
+* [ ] This is about the Bulma **CSS framework**
+* [ ] This is about the Bulma **Docs**
+* [ ] I'm using Bulma **version** [x.x.x]
+* [ ] My **browser** is:
+* [ ] This is a **Sass** issue: I'm using version [x.x.x]
+* [ ] I am sure this issue is **not a duplicate**?
+
+### Description
+
+_[Description of the bug, enhancement, or question]_
+
+### Steps to Reproduce
+
+1. _[First Step]_
+2. _[Second Step]_
+3. _[and so on...]_
+
+### Expected behavior
+
+_[What you expected to happen]_
+
+### Actual behavior
+
+_[What actually happened]_

.github/PULL_REQUEST_TEMPLATE.md

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+### PLEASE READ THE FOLLOWING INSTRUCTIONS
+
+Thanks for helping out! 😇
+
+* Pull the latest `master` branch
+* Run `npm install` to install all Bulma dependencies
+* Make sure your Sass code is compliant with the [Bulma Sass styleguide](https://github.com/jgthms/bulma/blob/master/CONTRIBUTING.md#bulma-sass-styleguide)
+* If your PR fixes an issue, reference that issue
+* If your PR has lots of commits, **rebase** first
+* Run `npm run build` and `npm run docs` before submitting your PR
+
+Please remove any unused content (including these instructions) before submitting your issue.
+
+### Pull Request
+
+Fixes #
+
+Changes proposed:
+
+* [ ] Add
+* [ ] Fix
+* [ ] Remove
+* [ ] Update