Updated _Sidebar (markdown)

_Sidebar.md

@@ -7,24 +7,13 @@
 - [**Prerequisite**](Prerequisite)
 - [**Hardware Preparation**](Hardware-Preparation)
 - [**Upload**](Upload)
+   * [**Upload tools**](Upload-tools)
 - [**Upgrade**](Upgrade)
 - [**First Steps**](Initial-Configuration)
 - [**Tutorials**](Tutorials)
 - [**FAQs**](FAQs)
 - [**Troubleshooting**](Troubleshooting)
 
-**Upload tools**
-- [**Arduino IDE**](Arduino-IDE)
-- [**Esptool**](Esptool)
-- [**PlatformIO**](PlatformIO)
-- [**PlatformIO CLI**](PlatformIO-CLI)
-- [**Visual Studio Code**](Visual-Studio-Code)
-- [**Node Red OTA server and firmware manager**](https://flows.nodered.org/flow/888b4cd95250197eb429b2f40d188185)
-- [**OTA over SCP**](OTA-over-SCP)
-- [**Python HTTP OTA server**](Python-HTTP-OTA-Server)
-- [**Tuya OTA**](Tuya-OTA)
-- [**SonOTA (outdated)**](SonOTA---Espressif2Arduino---Tasmota-without-compiling)
-
 **Usage**
 - [**Supported Commands**](Commands)
    - [**Display Commands**](Display-Commands)