[WEB-5459] feat(codemods): add function declaration transformer with tests (#8137)

- Add jscodeshift-based codemod to convert arrow function components to function declarations
- Support React.FC, observer-wrapped, and forwardRef components
- Include comprehensive test suite covering edge cases
- Add npm script to run transformer across codebase
- Target only .tsx files in source directories, excluding node_modules and declaration files

* [WEB-5459] chore: updates after running codemod

---------

Co-authored-by: sriramveeraghanta <veeraghanta.sriram@gmail.com>

apps/space/app/compat/next/link.tsx

@@ -1,5 +1,4 @@
 "use client";
-
 import React from "react";
 import { Link as RRLink } from "react-router";
 import { ensureTrailingSlash } from "./helper";
@@ -12,13 +11,8 @@ type NextLinkProps = React.ComponentProps<"a"> & {
   shallow?: boolean; // next.js prop, ignored
 };
 
-const Link: React.FC<NextLinkProps> = ({
-  href,
-  replace,
-  prefetch: _prefetch,
-  scroll: _scroll,
-  shallow: _shallow,
-  ...rest
-}) => <RRLink to={ensureTrailingSlash(href)} replace={replace} {...rest} />;
+function Link({ href, replace, prefetch: _prefetch, scroll: _scroll, shallow: _shallow, ...rest }: NextLinkProps) {
+  return <RRLink to={ensureTrailingSlash(href)} replace={replace} {...rest} />;
+}
 
 export default Link;