justfile: add test target, remove broken run target

Changed files
+2 -2
+2 -2
justfile
··· 4 4 build: 5 5 zig build 6 6 7 - run: 8 - zig build run 7 + test: 8 + zig build test --summary all 9 9 10 10 deploy: 11 11 fly deploy