Update Documentation

Edits in bitia-cli documentation with tagged-sectons for installation an configurations

docs/source/getting_started/Installation.md

-# BiTIA Installation
-BiTIA CLI is the Command Interface Tool which helps in getting user inputs with commands, directories and required files. It sends tasks to the server, where bitia-runner processes them and generates results.
+# BiTIA 
+BiTIA CLI is the Command Line Interface Tool which helps in getting user inputs with commands, directories and required files. It sends tasks to the server, where bitia-runner processes them and generates results.
 
 **To work with BiTIA, we need to install bitia-cli and submit tasks to the server**
 ## Installing bitia
-Installing bitia is very simple, you only need to have [python-pip] installed in your system
-
 BiTIA CLI is available on [PyPi] as [BiTIA].
 
-Ensure you have a working pip with python installed. You can accomplish this by executing the following commands and confirming that the output looks similar
-
-
+Installing bitia is very simple, you only need to have [python-pip] installed in your system
 
-``` bash
-$ python --version
-Python 3.N.N
-$ pip --version
-pip X.Y.Z from ... (python 3.N.N)
-```
-If that worked, congratulations! You have a working pip in your environment.
 
 
 
@@ -68,5 +57,4 @@ TODO: Order of searching configuration file.
 
 [BiTIA]: https://pypi.org/project/bitia/
 [Pypi]: https://pypi.org/
-[install Python]: https://realpython.com/installing-python/
 [python-pip]: https://pypi.org/project/pip/ 
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