Add reqId to all logging messages I could find (#413)

Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/413
Co-authored-by: crapStone <me@crapstone.dev>
Co-committed-by: crapStone <me@crapstone.dev>

server/context/context.go

@@ -5,19 +5,29 @@ import (
 	"net/http"
 
 	"codeberg.org/codeberg/pages/server/utils"
+	"github.com/hashicorp/go-uuid"
+	"github.com/rs/zerolog/log"
 )
 
 type Context struct {
 	RespWriter http.ResponseWriter
 	Req        *http.Request
 	StatusCode int
+	ReqId      string
 }
 
 func New(w http.ResponseWriter, r *http.Request) *Context {
+	req_uuid, err := uuid.GenerateUUID()
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to generate request id, assigning error value")
+		req_uuid = "ERROR"
+	}
+
 	return &Context{
 		RespWriter: w,
 		Req:        r,
 		StatusCode: http.StatusOK,
+		ReqId:      req_uuid,
 	}
 }