Update README.md

Author: RetroFlag

README.md

@@ -1,12 +1,23 @@
+# Contents
+* [GPiCase2 (GPi Case 2 only)](#gpicase2-gpi-case-2-only)
+* [GPi Case (GPi Case only)](#gpi-case-gpi-case-only)
+    * [For RetroPie](#for-retropie)
+    * [For Recalbox](#for-recalbox)
+* [Pi Case (nespi+, superpi, megapi,nespi4 case)](#Pi-Case-(nespi+,-superpi,-megapi,nespi4-case))
+    * [Example for RetroPie](#example-for-retropie)
+    * [Example for RecalBox](#example-for-recalbox)
+    * [Example for batocera](#example-for-batocera)
+
+-------------------- 
+
 # GPiCase2 (GPi Case 2 only)
 The RetroFlag GPiCase 2 CM4 safe shutdown script will automatically switch between the LCD display and HDMI output when using the dock.
 
 ### Click the link Jump to install GPiCase2 script：[GPiCase2 Script](https://github.com/RetroFlag/GPiCase2-Script).
 
-  
+    
 -------------------- 
--------------------- 
-  
+
 
 # GPi Case (GPi Case only)
 ### Turn switch "SAFE SHUTDOWN" to ON.
@@ -20,7 +31,7 @@ The RetroFlag GPiCase 2 CM4 safe shutdown script will automatically switch betwe
 
 wget -O - "https://raw.githubusercontent.com/RetroFlag/retroflag-picase/master/install_gpi.sh" | sudo bash
 
---------------------
+
 ### For Recalbox
 1. Make sure internet connected.
 2. Make sure keyboard connected.
@@ -32,8 +43,7 @@ wget -O - "https://raw.githubusercontent.com/RetroFlag/retroflag-picase/master/r
 
 
 -------------------- 
--------------------- 
-  
+
 
 # Pi Case (nespi+, superpi, megapi,nespi4 case)
 RetroFlag Pi-Case Safe Shutdown
@@ -49,7 +59,7 @@ RetroFlag Pi-Case Safe Shutdown
 
 wget -O - "https://raw.githubusercontent.com/RetroFlag/retroflag-picase/master/install.sh" | sudo bash
 
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+
 
 ### Example for RecalBox:
 1. Make sure internet connected.
@@ -60,7 +70,7 @@ wget -O - "https://raw.githubusercontent.com/RetroFlag/retroflag-picase/master/i
 
 wget -O - "https://raw.githubusercontent.com/RetroFlag/retroflag-picase/master/recalbox_install.sh" | bash
 
---------------------
+
 
 ### Example for batocera:
 1. Make sure internet connected.
@@ -71,7 +81,7 @@ wget -O - "https://raw.githubusercontent.com/RetroFlag/retroflag-picase/master/r
 
 wget -O - "https://raw.githubusercontent.com/RetroFlag/retroflag-picase/master/batocera_install.sh" | bash
 
---------------------
 
-Example for lakkatv:
+
+### Example for lakkatv:
 https://github.com/marcelonovaes/lakka_nespi_power