chore: add web server package

flake.nix

@@ -105,6 +105,49 @@
               mv ./build/slopvivors "$out"/index.html
             '';
           };
+          slopvivors_web = pkgs.buildGoModule {
+            pname = "slopvivors-web";
+            version = "0.1.0";
+            vendorHash = null;
+            src = self.packages.${pkgs.system}.slopvivors_web_files;
+
+            nativeBuildInputs = with pkgs; [
+              go
+            ];
+
+            prePatch = ''
+              mkdir -p slopvivors_web_files
+              cp "${self.packages.${pkgs.system}.slopvivors_web_files}"/* slopvivors_web_files
+              cat > main.go <<EOF
+              package main
+
+              import (
+                "embed"
+                "fmt"
+                "net/http"
+                "io/fs"
+              )
+
+              //go:embed slopvivors_web_files/*
+              var webFiles embed.FS
+
+
+              func main() {
+                rootDir, err := fs.Sub(webFiles, "slopvivors_web_files")
+                if err != nil {
+                  panic(err)
+                }
+
+                http.Handle("/", http.FileServer(http.FS(rootDir)))
+                fmt.Printf("Serving on :8080\n")
+                http.ListenAndServe(":8080", nil)
+              }
+              EOF
+            '';
+            postPatch = ''
+              go mod init slopvivors-web
+            '';
+          };
         }
       );
     };