feat(chart): add zoom buttons to the designer

[jamaljsr]

Description

Add the ability to zoom in & out the designer and nodes to more easily visualize the network.

Steps to Test

1. Click on a network
2. Click on the zoom icons on the bottom right of the canvas
3. Use the mouse wheel scroll to also adjust the zoom level
4. Drag a new node onto the canvas to ensure proper placement

Screenshots

[codecov-commenter]

Codecov Report

Merging #378 into master will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #378   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          113       113           
  Lines         3237      3245    +8     
  Branches       595       594    -1     
=========================================
+ Hits          3237      3245    +8     

Impacted Files	Coverage Δ
src/components/designer/NetworkDesigner.tsx	100.00% <100.00%> (ø)
src/store/models/designer.ts	100.00% <100.00%> (ø)
src/utils/chart.ts	100.00% <100.00%> (ø)

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