README: update instructions and known bugs

Signed-off-by: Dhruva Gole <goledhruva@gmail.com>

Author: DhruvaG2000

README.md

@@ -8,7 +8,9 @@ Arduino Core API module for zephyr leverages the power of Zephyr under an Arduin
 
 ## Adding Arduino Core API to Zephyr
 
-Add following entry to `west.yml` file in `manifest/projects` subtree of Zephyr:
+* **Pre requisites:** It is assumed that you have zephyrproject configured and installed on your system as per the official [Get Started Guide](https://docs.zephyrproject.org/latest/develop/getting_started/index.html). The recommended path to install is `~/zephyrproject` as specified in the guide. You may face path issues if you have zephyr installed in a custom path.
+
+* Add following entry to `west.yml` file in `manifest/projects` subtree of Zephyr:
 ```
 # Arduino API repository.
 - name: Arduino-Core-Zephyr
@@ -17,21 +19,20 @@ Add following entry to `west.yml` file in `manifest/projects` subtree of Zephyr:
   url: https://github.com/zephyrproject-rtos/gsoc-2022-arduino-core
 ```
 
-and clone the repository by running
+* Then, clone the repository by running
 
 ```sh
 west update
 ```
 
-To "complete" the core you need to copy or symlink the api folder from [this repo](https://github.com/arduino/ArduinoCore-API.git) to the target's ``cores/arduino`` folder:
+* To "complete" the core you need to copy or symlink the api folder from [this repo](https://github.com/arduino/ArduinoCore-API.git) to the target's ``cores/arduino`` folder:
 ```sh
 $ git clone git@github.com:arduino/ArduinoCore-API # Any location
 $ ln -s /<your>/<location>/ArduinoCore-API/api cores/arduino/.
 ```
 
-**Known Bugs:**
-While compiling with the ArduinoCore-API `WCharacter.h` produces many errors. It needs to be deleted from ArduinoAPI.h (it is unused in this port.) We are looking into resolving the issue.
-
+**Known Bug(s):**
+* While compiling with the ArduinoCore-API `WCharacter.h` produces many errors. It needs to be deleted from ArduinoAPI.h (it is unused in this port.) We are looking into resolving the issue.
 
 **Maintainers**:
 - [beriberikix](https://github.com/beriberikix)