fix: separate example app from native library files (#68)

# Summary

Fixes #65 

Separated Example app files from native library files. Conditional android package linking if project type is `js`.


## Checklist


- [X] I have tested this

Author: Krzysztof

src/create.ts

@@ -19,6 +19,7 @@ const EXPO_FILES = path.resolve(__dirname, '../templates/expo-library');
 const CPP_FILES = path.resolve(__dirname, '../templates/cpp-library');
 const OBJC_FILES = path.resolve(__dirname, '../templates/objc-library');
 const SWIFT_FILES = path.resolve(__dirname, '../templates/swift-library');
+const EXAMPLE_FILES = path.resolve(__dirname, '../templates/example');
 
 type ArgName =
   | 'slug'
@@ -275,10 +276,14 @@ export default async function create(argv: yargs.Arguments<any>) {
   } else if (type === 'js') {
     await copyDir(JS_FILES, folder);
     await copyDir(
-      path.join(NATIVE_FILES, 'example'),
+      path.join(EXAMPLE_FILES, 'example'),
       path.join(folder, 'example')
     );
   } else {
+    await copyDir(
+      path.join(EXAMPLE_FILES, 'example'),
+      path.join(folder, 'example')
+    );
     await copyDir(NATIVE_FILES, folder);
 
     if (type === 'cpp') {

templates/native-library/example/$package.json renamed to templates/example/example/$package.json

@@ -10,8 +10,9 @@
 import com.facebook.soloader.SoLoader;
 import java.lang.reflect.InvocationTargetException;
 import java.util.List;
-
+<% if (project.module) { -%>
 import com.<%= project.package %>.<%= project.name %>Package;
+<% } -%>
 
 public class MainApplication extends Application implements ReactApplication {
 
@@ -28,7 +29,7 @@ protected List<ReactPackage> getPackages() {
           List<ReactPackage> packages = new PackageList(this).getPackages();
           // Packages that cannot be autolinked yet can be added manually here, for <%= project.name %>Example:
           // packages.add(new MyReactNativePackage());
-          packages.add(new <%= project.name %>Package());
+          <% if (project.module) { -%>packages.add(new <%= project.name %>Package());<% } -%>
 
           return packages;
         }