Docs: update deprecated enforceExistence in Usage section

dmnsgn · qfox · commit 6c74293b970c · 2015-12-05T20:30:04.000+03:00
Closes gh-172
diff --git a/README.md b/README.md
@@ -62,7 +62,9 @@ To use plugin you should add these lines to configuration file `.jscsrc`:
     "jsDoc": {
         "checkAnnotations": "closurecompiler",
         "checkTypes": "strictNativeCase",
-        "enforceExistence": "exceptExports"
+        "enforceExistence": {
+            "allExcept": ["exports"]
+        }
     }
 }
 ```

Original file line number	Diff line number	Diff line change
@@ -62,7 +62,9 @@ To use plugin you should add these lines to configuration file `.jscsrc`:
`62`	`62`	`"jsDoc": {`
`63`	`63`	`"checkAnnotations": "closurecompiler",`
`64`	`64`	`"checkTypes": "strictNativeCase",`
`65`		`- "enforceExistence": "exceptExports"`
	`65`	`+ "enforceExistence": {`
	`66`	`+ "allExcept": ["exports"]`
	`67`	`+ }`
`66`	`68`	`}`
`67`	`69`	`}`
`68`	`70`	```