const initialState = [
  {
    id: 1,
    name: 'Languages'
  },
  {
    id: 2,
    name: 'Locations'
  },
  {
    id: 3,
    name: 'Technologies'
  }
]

export default (state = initialState, {payload, type}) => {
  switch (type) {
    default:
      return state
  }
}

@@ -16,24 +16,46 @@
 ate = %5B%0A  %7B%0A
+    colour: 'violet',%0A
     id: 1,%0A 
@@ -76,32 +76,53 @@
 uages'%0A  %7D,%0A  %7B%0A
+    colour: 'green',%0A
     id: 2,%0A    n
@@ -143,24 +143,44 @@
 s'%0A  %7D,%0A  %7B%0A
+    colour: 'blue',%0A
     id: 3,%0A 

Add colour property to categories