Update README.md (drupal-composer#334)

Dmytro Danylevskyi · webflo · commit 9646b7105179 · 2017-11-13T09:36:53.000+01:00
Make obvious that it's possible to add local patches to extra/patches section.
diff --git a/README.md b/README.md
@@ -121,7 +121,7 @@ section of composer.json:
 "extra": {
     "patches": {
         "drupal/foobar": {
-            "Patch description": "URL to patch"
+            "Patch description": "URL or local path to patch"
         }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -121,7 +121,7 @@ section of composer.json:`
`121`	`121`	`"extra": {`
`122`	`122`	`"patches": {`
`123`	`123`	`"drupal/foobar": {`
`124`		`- "Patch description": "URL to patch"`
	`124`	`+ "Patch description": "URL or local path to patch"`
`125`	`125`	`}`
`126`	`126`	`}`
`127`	`127`	`}`