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For each category the explanation is as followed:

Mobility - The name of the category as it's saved in the project
      name: "Mobility" - The display name of the category
 	 icons: ['mobility'] - The icons that can be used for this category (All the icons can be found in this 
										directory in the sdc project: https://gerrit.onap.org/r/gitweb?p=sdc.git;a=tree;f=catalog-ui/src/assets/styles/images)