refactor(postgres) improve postgres code base (#20808)

Co-authored-by: cirospaciari <6379399+cirospaciari@users.noreply.github.com>

src/sql/postgres/DebugSocketMonitorReader.zig

@@ -0,0 +1,25 @@
+var file: std.fs.File = undefined;
+pub var enabled = false;
+pub var check = std.once(load);
+
+pub fn load() void {
+    if (bun.getenvZAnyCase("BUN_POSTGRES_SOCKET_MONITOR_READER")) |monitor| {
+        enabled = true;
+        file = std.fs.cwd().createFile(monitor, .{ .truncate = true }) catch {
+            enabled = false;
+            return;
+        };
+        debug("duplicating reads to {s}", .{monitor});
+    }
+}
+
+pub fn write(data: []const u8) void {
+    file.writeAll(data) catch {};
+}
+
+const debug = bun.Output.scoped(.Postgres, false);
+
+// @sortImports
+
+const bun = @import("bun");
+const std = @import("std");