{
   "categories":[
      {
         "name":"APPLICATION",
         "selector":"categories[APPLICATION]",
         "label":"APPLICATION"
      },
      {
         "name":"CLIENT",
         "selector":"categories[CLIENT]",
         "label":"CLIENT"
      },
      {
         "name":"MODELING",
         "selector":"categories[MODELING]",
         "label":"MODELING"
      }
   ],
   "developments":[
      {
         "name":"Java",
         "selector":"developments[Java]",
         "label":"Java"
      },
      {
         "name":"Python",
         "selector":"developments[Python]",
         "label":"Python"
      },
      {
         "name":"VBA",
         "selector":"developments[VBA]",
         "label":"VBA"
      },
      {
         "name":"Excel",
         "selector":"developments[Excel]",
         "label":"Excel"
      },
      {
         "name":"Node.js",
         "selector":"developments[Node.js]",
         "label":"Node.js"
      },
      {
         "name":"C#",
         "selector":"developments[C#]",
         "label":"C#"
      }
   ],
   "models":[
      {
         "name":"CPLEX",
         "selector":"models[CPLEX]",
         "label":"CPLEX"
      },
      {
         "name":"OPL CPLEX",
         "selector":"models[OPL-CPLEX]",
         "label":"OPL-CPLEX"
      },
      {
         "name":"CPO",
         "selector":"models[CPO]",
         "label":"CPO"
      }
   ],
   "industries":[

   ]
}
{
   "categories":[
      {
         "name":"APPLICATION",
         "selector":"categories[APPLICATION]",
         "label":"APPLICATION"
      },
      {
         "name":"CLIENT",
         "selector":"categories[CLIENT]",
         "label":"CLIENT"
      },
      {
         "name":"MODELING",
         "selector":"categories[MODELING]",
         "label":"MODELING"
      }
   ],
   "developments":[
      {
         "name":"Java",
         "selector":"developments[Java]",
         "label":"Java"
      },
      {
         "name":"Python",
         "selector":"developments[Python]",
         "label":"Python"
      },
      {
         "name":"VBA",
         "selector":"developments[VBA]",
         "label":"VBA"
      },
      {
         "name":"Excel",
         "selector":"developments[Excel]",
         "label":"Excel"
      },
      {
         "name":"Node.js",
         "selector":"developments[Node.js]",
         "label":"Node.js"
      },
      {
         "name":"C#",
         "selector":"developments[C#]",
         "label":"C#"
      },
      {
         "name":"R",
         "selector":"developments[R]",
         "label":"R"
      }
   ],
   "models":[
      {
         "name":"CPLEX",
         "selector":"models[CPLEX]",
         "label":"CPLEX"
      },
      {
         "name":"OPL CPLEX",
         "selector":"models[OPL-CPLEX]",
         "label":"OPL-CPLEX"
      },
      {
         "name":"CPO",
         "selector":"models[CPO]",
         "label":"CPO"
      }
   ],
   "industries":[

   ]
}

Add new entry "R" in developments
Add new entry "R" in developments