Merge branch 'riag01-master-patch-15095' into 'master'

Update README.md

See merge request tildes/tildes!151

README.md

@@ -4,6 +4,27 @@ This is the code behind [Tildes](https://tildes.net), a non-profit community sit
 
 For general information about Tildes and its goals, please see [the announcement blog post](https://blog.tildes.net/announcing-tildes) and [the Tildes Docs site](https://docs.tildes.net).
 
+## Synchronize Changes
+Synchronize changes between your forked repository and the original repository in Git, set up a remote that points to the upstream repository.
+
+Platform Navigation:
+•	Mac: Open Terminal.
+•	Windows: Open Git Bash.
+•	Linux: Open your terminal emulator.
+
+Instructions:
+1.	Check Current Remote Configuration:
+$ git remote -v > origin <URL_of_upstream_repository> (fetch) > origin <URL_of_upstream_repository> (push) 
+
+2.	Add a New Remote Upstream Repository:
+$ git remote add upstream <URL_of_upstream_repository>
+
+3.	Verify the Remote Configuration:
+$ git remote -v > origin <URL_of_upstream_repository> (fetch) > origin <URL_of_upstream_repository> (push) > upstream <URL_of_upstream_repository> (fetch) > upstream <URL_of_upstream_repository> (push) 
+
+The application is written in Python 3.8, using the Pyramid web framework.
+It is served by Gunicorn behind an nginx reverse-proxy.
+
 ## Issue tracker / plans
 
 Known issues and plans for upcoming changes are tracked on GitLab: https://gitlab.com/tildes/tildes/issues