code: updating justfile with watch command, adding logging functionality, control+c detection, host/port loading from env, and a file listing example for an alternative source besides databases

Justfile

@@ -8,6 +8,9 @@ default:
 run args='miniweb':
     @cargo run --bin {{args}}
 
+watch:
+    cargo watch -c -q -w src -x run
+
 status:
     @echo "Docker Images:"
     cd docker && docker-compose ls
@@ -29,6 +32,7 @@ migrate:
 # Install Developer dependencies
 dev-install:
     cargo install sea-orm-cli
+    cargo install cargo-watch
 
 # Reset Database
 dev-reset: