fix: fix library name not being written to react-native.config.js

fixes #299
fixes #300
fixes #302

Author: satya164

packages/create-react-native-library/templates/example/example/react-native.config.js renamed to packages/create-react-native-library/templates/native-common/example/react-native.config.js

@@ -1,10 +1,9 @@
 const path = require('path');
 
-module.exports = {<% if (project.native) { %>
+module.exports = {
   dependencies: {
-    '<% project.slug -%>': {
+    '<%- project.slug -%>': {
       root: path.join(__dirname, '..'),
     },
   },
-<% } -%>
 };