[ENHANCEMENT] Create a reusable component for navbar icons

**Is your feature request related to a problem? Please describe.**
- Yes, the navbar components are hardcoded so hard to change or add more.

**Describe the solution you'd like**
- Create a reusable component for navbar icons

**Additional context**
- Same problem in the tutorial
- difficult bc each icon is just a single tag

**Development**
- [ ] 
  - ...
