Add option to start http server for profiling (#323)

https://rafallorenz.com/go/go-profiling-http-service-with-pprof-and-expvar/
Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/323
Co-authored-by: crapStone <me@crapstone.dev>
Co-committed-by: crapStone <me@crapstone.dev>

Justfile

@@ -1,13 +1,13 @@
 CGO_FLAGS := '-extldflags "-static" -linkmode external'
 TAGS      := 'sqlite sqlite_unlock_notify netgo'
 
-dev:
+dev *FLAGS:
     #!/usr/bin/env bash
     set -euxo pipefail
     set -a # automatically export all variables
     source .env-dev
     set +a
-    go run -tags '{{TAGS}}' .
+    go run -tags '{{TAGS}}' . {{FLAGS}}
 
 build:
     CGO_ENABLED=1 go build -tags '{{TAGS}}' -ldflags '-s -w {{CGO_FLAGS}}' -v -o build/codeberg-pages-server ./