Changed the package references to match Bootstrap

package.json

@@ -2,9 +2,9 @@
   "name": "bootstrap-table",
   "description": "An extended table to integration with some of the most widely used CSS frameworks. (Supports Bootstrap, Semantic UI, Bulma, Material Design, Foundation)",
   "version": "1.18.3",
-  "main": "./dist/bootstrap-table.min.js",
-  "style": "./dist/bootstrap-table.min.css",
-  "sass": "./src/bootstrap-table.scss",
+  "style": "dist/bootstrap-table.min.css",
+  "sass": "src/bootstrap-table.scss",
+  "main": "dist/bootstrap-table.min.js",
   "directories": {
     "doc": "site"
   },