Added software development description

README.md

@@ -1419,7 +1419,6 @@ Software for [monitoring](https://en.wikipedia.org/wiki/Monitoring) applications
 
 
 
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 ### Note-taking & Editors
 
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@@ -1750,7 +1749,9 @@ All in one self hosting software.
 
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+[Software development](https://en.wikipedia.org/wiki/Software_development) is the process of conceiving, specifying, designing, programming, documenting, testing, and bug fixing involved in creating and maintaining applications, frameworks, or other software components.
 
+**Please visit [Software Development - API Management](#software-development---api-management), [Software Development - Continuous Integration & Deployment](#software-development---continuous-integration--deployment), [Software Development - FaaS & Serverless](#software-development---faas--serverless), [Software Development - IDE & Tools](#software-development---ide--tools), [Software Development - Localization](#software-development---localization), [Software Development - Project Management](#software-development---project-management), [Software Development - Testing](#software-development---testing)**
 
 ### Software Development - API Management