Add missing file, update stop command, git ignore

.gitignore

@@ -1 +1,6 @@
-*.env
+*.env
+node_modules
+build/
+package-lock.json
+run.sh
+visualizer.log

src/redux/topologySlice.js

@@ -0,0 +1,16 @@
+import { createSlice } from "@reduxjs/toolkit";
+
+const topologySlice = createSlice({
+  name: "topology",
+  initialState: { current: {}, graph: {} },
+  reducers: {
+    setTopology(state, action) {
+      state.current = action.payload;
+      state.graph = action.payload.graph;
+    },
+  },
+});
+
+export const { setTopology } = topologySlice.actions;
+
+export default topologySlice.reducer;

visualizer

@@ -19,7 +19,7 @@ function start()
 
 function stop()
 {
-    ps aux | grep -v grep | grep "Server.js" | awk '{print $2}' | xargs kill -9
+    ps aux | grep -v grep | grep "node ./server/Server.js" | awk '{print $2}' | xargs kill -9
 }