feat: add web bridge configuration setup to installation process

.package

@@ -8,4 +8,24 @@
     "%.md$", "%.yml$", "%.json$", "%.bat$", "%.sh$",
     "^Dockerfile", "^%.git", "^LICENSE$", "^node_modules/",
   },
+  install = [[
+    local pkgDir = fs.combine("packages", "remoteturtle")
+
+    -- Web Bridge config
+    print("")
+    print("-- RemoteTurtle Web Bridge Setup --")
+    print("")
+    write("Server URL (e.g. http://192.168.1.10:4200): ")
+    local serverUrl = read()
+    if serverUrl and #serverUrl > 0 then
+      local wsUrl = serverUrl:gsub("^http", "ws") .. "/ws/bridge"
+      local cfg = textutils.serialiseJSON({ serverUrl = serverUrl, wsUrl = wsUrl })
+      local f = fs.open(fs.combine(pkgDir, ".webbridge_config"), "w")
+      f.write(cfg)
+      f.close()
+      print("Saved web bridge config.")
+    else
+      print("Skipped — edit .webbridge_config later.")
+    end
+  ]],
 }