[source] github: include pull request template

[LEDE Commits]

pepe2k pushed a commit to source.git, branch master:
https://git.lede-project.org/3183015e1e1573eae69717f66685c880439c7f2f

commit 3183015e1e1573eae69717f66685c880439c7f2f
Author: Alberto Bursi <alberto.bursi at outlook.it>
AuthorDate: Mon Mar 6 19:37:47 2017 +0100

    github: include pull request template
    
    This text is used by GitHub to remind important things to
    people sending PRs through the GitHub's web interface.
    See here for more information
    https://github.com/blog/2111-issue-and-pull-request-templates
    
    It links to the wiki page about submission rules.
    
    Signed-off-by: Alberto Bursi <alberto.bursi at outlook.it>
---
 .github/pull_request_template | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/pull_request_template b/.github/pull_request_template
new file mode 100644
index 0000000..b344c21
--- /dev/null
+++ b/.github/pull_request_template
@@ -0,0 +1,8 @@
+Thanks for your contribution to the LEDE project!
+
+To help keep the codebase consistent and readable,
+and to help people review your contribution,
+we ask you to follow the rules you find in the wiki at this link
+https://lede-project.org/submitting-patches
+
+Please remove this message before posting the pull request.