Quick README.md update (openemr#1827)

README.md

@@ -6,6 +6,7 @@
 [OpenEMR](https://open-emr.org) is the most popular open source electronic health records and medical practice management solution. [ONC certified](https://open-emr.org/wiki/index.php/OpenEMR_Wiki_Home_Page#ONC_Ambulatory_EHR_Certification) with international usage, OpenEMR's goal is a superior alternative to its proprietary counterparts.
 
 ### Contributing
+
 OpenEMR is a leader in healthcare open source software. Costly proprietary EMRs are no longer the only option. [Learn how to start contributing today!](https://open-emr.org/wiki/index.php/FAQ#How_do_I_begin_to_volunteer_for_the_OpenEMR_project.3F)
 
 ### Support
@@ -23,19 +24,27 @@ Report these on the [Issue Tracker](https://github.com/openemr/openemr/issues).
 
 Send an email to [email protected] . If possible, please encrypt your email via PGP with this [public key](https://pgp.mit.edu/pks/lookup?op=get&search=0x27DEF05B1A8A6D4F).
 
+### For Developers
+
+If using OpenEMR directly from the code repository, then the following commands will build OpenEMR:
+```
+composer install
+npm install
+npm run build
+composer dump-autoload -o
+```
+
 ### Contributors
 
 This project exists thanks to all the people who contribute. [[Contribute]](CONTRIBUTING.md).
 <a href="graphs/contributors"><img src="https://opencollective.com/openemr/contributors.svg?width=890" /></a>
 
-
 ### Backers
 
 Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/openemr#backer)]
 
 <a href="https://opencollective.com/openemr#backers" target="_blank"><img src="https://opencollective.com/openemr/backers.svg?width=890"></a>
 
-
 ### Sponsors
 
 Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/openemr#sponsor)]
@@ -51,8 +60,6 @@ Support this project by becoming a sponsor. Your logo will show up here with a l
 <a href="https://opencollective.com/openemr/sponsor/8/website" target="_blank"><img src="https://opencollective.com/openemr/sponsor/8/avatar.svg"></a>
 <a href="https://opencollective.com/openemr/sponsor/9/website" target="_blank"><img src="https://opencollective.com/openemr/sponsor/9/avatar.svg"></a>
 
-
-
 ### License
 
 [GNU GPL](LICENSE)