build: fix paths

Author: mattlewis92

tsconfig.json

@@ -18,9 +18,9 @@
       "dom"
     ],
     "paths": {
-      "angular-calendar": ["./projects/angular-calendar/src/index"],
-      "angular-calendar/date-adapters/date-fns": ["./projects/angular-calendar/src/date-adapters/date-fns/index"],
-      "angular-calendar/date-adapters/moment": ["./projects/angular-calendar/src/date-adapters/moment/index"]
+      "angular-calendar": ["./projects/angular-calendar/src"],
+      "angular-calendar/date-adapters/date-fns": ["./projects/angular-calendar/src/date-adapters/date-fns"],
+      "angular-calendar/date-adapters/moment": ["./projects/angular-calendar/src/date-adapters/moment"]
     },
     "allowSyntheticDefaultImports": true
   }