git-replace, w: add pages (#4496)

pages/common/git-replace.md

@@ -0,0 +1,16 @@
+# git replace
+
+> Create, list, and delete refs to replace objects.
+> More information: <https://git-scm.com/docs/git-replace>.
+
+- Replace any commit with a different one, leaving other commits unchanged:
+
+`git replace {{object}} {{replacement}}`
+
+- Delete existing replace refs for the given objects:
+
+`git replace --delete {{object}}`
+
+- Edit an object’s content interactively:
+
+`git replace --edit {{object}}`