Added survey analysis of 2023

[deepti-50]

Solved the issue #49 . I performed a comprehensive Exploratory Data Analysis on the 2023 Stack Overflow Survey dataset. This involved a thorough examination of the data to extract valuable insights for informed decision-making. Throughout this process, I meticulously cleaned and refactored various columns to ensure data accuracy and reliability. Subsequently, I employed a variety of visualization techniques including box plots, histograms, and chloropleth maps to effectively represent the data and reveal significant patterns and trends. This comprehensive approach allowed for the extraction of valuable insights, encompassing average salaries across countries, prevalent programming languages, developer-type distributions, and other pertinent factors crucial for informed decision-making.