Update README.md

Author: hattesen

README.md

@@ -6,6 +6,12 @@ These rules use some features only available in KiCad 7.0.
 
 Each design rule is validated for PASS/FAIL the associated PCB (`.kicad_pcb`).
 
+## Use in your KiCad 7 project
+
+Simply copy the [`JLCPCB.kicad_dru`](JLCPCB/JLCPCB.kicad_dru) file into your KiCad 7 project folder, and rename it to match your project name `your-project.kicad_dru`.
+
+The JLCPCB Design Rules will automatically be included in the KiCad PCB Editor (`File`>`Board Setup...`>`Design Rules`>`Custom Rules`), and be included when performing a [Design Rules Check (DRC)](https://docs.kicad.org/7.0/en/pcbnew/pcbnew.html#design_rule_checking) (`Ìnspect`>`Design Rules Checker`).
+
 ## JLCPCB documentation
 - [PCB Manufacturing & Assembly Capabilities](https://jlcpcb.com/capabilities/pcb-capabilities)
 - [Capabilities](https://jlcpcb.com/capabilities/Eagle%20PCB%20to%20gerber%20files)