feat: add firearm management features

- Implemented API for fetching firearms and firearm details.
- Created a new page for displaying the list of firearms with search and filter options.
- Added Redux slice for managing firearms state.
- Integrated Redux Persist for state persistence.
- Updated routing to include firearms page.
- Removed obsolete modification codes data.
- Enhanced UI with responsive grid layout for firearms display.
- Added utility functions for handling URL query parameters.

src/utils/index.ts

@@ -0,0 +1 @@
+export * as QueryParamUtils from "./query-param-utils"

src/utils/query-param-utils.ts

@@ -0,0 +1,23 @@
+import { PageQueryParams } from "@/types"
+
+export function asUrlSearchParam(pageQueryParams?: PageQueryParams) {
+  const urlSearchParams = new URLSearchParams()
+
+  if (pageQueryParams?.page) {
+    urlSearchParams.append("page", "" + pageQueryParams.page)
+  }
+
+  if (pageQueryParams?.size) {
+    urlSearchParams.append("size", "" + pageQueryParams.size)
+  }
+
+  if (pageQueryParams?.sortBy) {
+    urlSearchParams.append("sortBy", pageQueryParams.sortBy)
+  }
+
+  if (pageQueryParams?.direction) {
+    urlSearchParams.append("direction", pageQueryParams.direction)
+  }
+
+  return urlSearchParams
+}