chore(just): add justfile with sort target

Author: LGUG2Z

README.md

@@ -76,6 +76,10 @@ If you would like to propose a new application configuration rule for
 consideration, please open an issue with the rules you are proposing in a code
 block rather than a PR.
 
+When submitting a PR, make sure you have `jq` and `just` installed, and run
+`just sort` to ensure that all entries in `applications.json` are sorted
+correctly.
+
 ## FAQs
 
 ### I am a new komorebi user and I want to add different rules for various applications

justfile

@@ -0,0 +1,5 @@
+set windows-shell := ["pwsh.exe", "-NoLogo", "-Command"]
+
+sort:
+    jq -f filter.jq .\applications.json > .\applications.sorted.json
+    mv .\applications.sorted.json .\applications.json -Force