client, logs-content: Added change subscription setup and hooked it up to the logs-content page.

routes/graphql.js

@@ -1,3 +1,4 @@
+const proxy = require("http-proxy-middleware")
 const express = require("express")
 const jwt = require("jsonwebtoken")
 
@@ -44,6 +45,7 @@ router.post("/", (req, res) => {
   })
 })
 
+router.use("/", proxy(config.graphqlEndpoint, {ws: true}))
 
 /**
  * @param {string} user