Update README.md

Author: Sanjay0302

README.md

@@ -16,14 +16,23 @@
 - **TinyGSM** by Volodymyr Shymanskyy Version 0.11.3
 
 ### Led Connections
+
 // vcc - Esp32 3v3 - Grey
+
 //gnd  - Esp32 gnd - Red
+
 #define DATA_PIN 19  // orange 
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 #define CS_PIN 5     // yellow
+
 #define CLK_PIN 18   // green
 
 ### SIM800L connection
+
 Vcc - Battery 3.7v
+
 Gnd - Battery gnd - Esp32 Gnd
+
 Tx - Rx2 of Esp32
+
 Rx - Tx2 of Esp32