Add contributing guidelines (sindresorhus#358)

adam-lynch · sindresorhus · web-flow · commit 3e146e601250 · 2020-05-08T15:26:39.000+08:00
Co-authored-by: Sindre Sorhus &lt;sindresorhus@gmail.com&gt;
diff --git a/contributing.md b/contributing.md
@@ -0,0 +1,3 @@
+# Contributing
+
+If you're adding support for a new file type, [please follow these steps](.github/pull_request_template.md).

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+# Contributing`
	`2`	`+`
	`3`	`+If you're adding support for a new file type, [please follow these steps](.github/pull_request_template.md).`