Add pull request template

diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644 (file)
index 0000000..ac3e5e9
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+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,23 @@
+<!--
+  Thanks for contributing to ccache! Here are some hints to make the process
+  smoother:
+
+  * Is your pull request "work in progress", i.e. you don't think that it's
+    ready for merging yet but you want early comments? Then create a draft pull
+    request as described on
+    <https://github.blog/2019-02-14-introducing-draft-pull-requests/>.
+
+  * If you have Uncrustify <http://uncrustify.sourceforge.net> installed, you
+    can run "make uncrustify" to adapt your modifications to ccache's code
+    style.
+-->
+
+### Description ###
+<!--
+  Please describe what the pull request is about. If it fixes a bug or
+  implements a feature that exists as a ccache issue, state which one. If it
+  implements a feature, please describe what it does and motivate why you think
+  that it would be a good idea for ccache.
+-->
+
+...