added delete agent function

app/app.js

@@ -60,6 +60,18 @@ app.get('/api/agents/:agentId/tasks', (req, res) => {
   }
 })
 
+app.delete('/api/agents/:agentId', (req, res) => {
+  const agentId = parseInt(req.params.agentId)
+  const status = agentStore.deleteAgentById(agentId)
+  if (status) {
+    res.status(200).json(agentId)
+  } else {
+    res.status(404).json({
+      message: 'agent does not exist'
+    })
+  }
+})
+
 // Interact with tasks
 app.post('/api/tasks', (req, res) => {
   const { command, agentId } = req.body

app/store/agents.js

@@ -41,6 +41,16 @@ const Agents = () => {
     return false
   }
 
+  obj.deleteAgentById = (agentId) => {
+    const index = obj.findIndex(agent => agent.id === agentId)
+    if (index !== -1) {
+      obj.splice(index, 1)
+      return true
+    } else {
+      return false
+    }
+  }
+
   obj.getAllAgents = () => obj.agents
 
   return obj