fix modules generation

Author: xvik

app/index.js

@@ -329,12 +329,12 @@ module.exports = class extends JavaGenerator {
             this.$copyTpl('project-multi', {writeOnceFiles: writeOnceFiles});
             // generate modules only once because module would be obviously renamed after initial generation
             if (!this.context.updateMode) {
-                this.$copyTpl('project-multi/bom', {
+                this.$copyTpl('project-multi-modules/bom', {
                     writeOnceFiles: writeOnceFiles,
                     targetFolder: this.modulePrefix + '-bom'
                 });
                 const moduleDir = this.modulePrefix + '-' + this.moduleName;
-                this.$copyTpl('project-multi/module', {
+                this.$copyTpl('project-multi-modules/module', {
                     writeOnceFiles: writeOnceFiles,
                     targetFolder: moduleDir
                 });