Hello,I am using  Material Design for Bootstrap 4 (Angular).Created a nav bar by copy pasting your example - https://mdbootstrap.com/angular/components/When i clicked on menu bar, dropdown menu is not displayed. Below is my package.json

\"dependencies\": { \"@angular/animations\": \"^5.2.0\", \"@angular/common\": \"^5.2.0\", \"@angular/compiler\": \"^5.2.0\", \"@angular/core\": \"^5.2.0\", \"@angular/forms\": \"^5.2.0\", \"@angular/http\": \"^5.2.0\", \"@angular/platform-browser\": \"^5.2.0\", \"@angular/platform-browser-dynamic\": \"^5.2.0\", \"@angular/router\": \"^5.2.0\", \"angular-bootstrap-md\": \"^6.0.2\", \"chart.js\": \"^2.5.0\", \"core-js\": \"^2.4.1\", \"font-awesome\": \"^4.7.0\", \"hammerjs\": \"^2.0.8\", \"mdbootstrap\": \"^4.5.2\", \"rxjs\": \"^5.5.6\", \"zone.js\": \"^0.8.19\"},

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