Add wei/pull config

Author: mimikun

.github/pull.yml

@@ -0,0 +1,15 @@
+version: "1"
+# Array of rules
+rules:
+  # Required. Target branch
+  - base: master
+    # Required. Must be in the same fork network.
+    upstream: vim-jp:master
+    # Optional, one of [none, merge, squash, rebase, hardreset], Default: none.
+    mergeMethod: hardreset
+    # Optional, merge pull request even when the mergeable_state is not clean. Default: false
+    mergeUnstable: false
+# Optional
+label: ":arrow_heading_down: pull"
+# Optional, on merge conflict assign a custom label, Default: merge-conflict
+conflictLabel: "merge-conflict"