Merge branch 'gh-72' of github.com:sveltejs/kit into gh-72

Author: Rich-Harris

.changeset/strange-apples-vanish.md

@@ -2,4 +2,4 @@
 '@sveltejs/kit': patch
 ---
 
-[breaking] block cross-site mutative requests by default. disable with config.kit.csrf.checkOrigin
+[breaking] block cross-site form POSTs by default. disable with config.kit.csrf.checkOrigin