Update README.md

ligma (cheat)/README.md

@@ -12,3 +12,20 @@ adb shell am start -n com.activision.callofduty.shooter/com.tencent.tmgp.cod.Per
 ```
 
 just change `C:\Users\%USERNAME%\source\repos\ligma\ARM\Release\libligma.so` to the path of your repo. Also change `adb` to whatever `adb` your emulator is using.
+
+# setup
+
+Since we arent done making this cheat, we have no need to repackage the entire apk and reinstall everytime we wanna test our code. Since the application
+is not inside of this repo, you will need to first download the apk from here: [cod mobile](https://apkpure.com/call-of-duty-legends-of-war/com.activision.callofduty.shooter).
+
+### decompile
+
+use apktool.jar to decompile the apk. we are going to patch a smali file to load our .so before any other .so.
+
+```
+apktool.jar d codm.apk
+```
+
+now go to this smali file: `smali\com\tencent\tpshell\TPShellApplication.smali`. Add this smali code to load our .so:
+
+<img src="https://imgur.com/5OcgEsB.png"/>