add exemplar path file pattern (exercism#1894)

mirkoperillo · web-flow · commit c44c365db807 · 2021-03-01T12:00:37.000-05:00
diff --git a/config.json b/config.json
@@ -26,6 +26,7 @@
       ".meta/src/reference/java/%{pascal_slug}.java"
     ],
     "exemplar": [
+      ".meta/src/reference/java/%{pascal_slug}.java"
     ]
   },
   "exercises": {

Original file line number	Diff line number	Diff line change
`@@ -26,6 +26,7 @@`
`26`	`26`	`".meta/src/reference/java/%{pascal_slug}.java"`
`27`	`27`	`],`
`28`	`28`	`"exemplar": [`
	`29`	`+ ".meta/src/reference/java/%{pascal_slug}.java"`
`29`	`30`	`]`
`30`	`31`	`},`
`31`	`32`	`"exercises": {`