Code sample download instruction

Author: imrashmi

KiCAD_simulation/read_me.md

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+### Download Code Samples
+To download code sample from github there are two ways
+- zip Package (GUI)
+- Git Package (CLI)
+### Zip Package
+![step-1](https://user-images.githubusercontent.com/57025766/186205691-7c1fdb6c-f82c-4048-a942-54c5c09b14df.jpg)
+### Git Clone/CLI/GIT Package
+- Open Git terminal, if dont have git app download it here(https://git-scm.com/downloads)
+- Type the following code `git clone https://github.com/imrashmi/pecd_burla.git`