Consolidated Next.js 15 Codemods: Route Handlers, Fetch Requests, Server Config, and Migration Recipe

[nishant2253]

📚 Description

This pull request consolidates all previous Next.js 15 codemods into one for easier review and merging. The included codemods are:

• Update Route Handlers to Handle Caching
  Refactors route handlers to manage caching for GET functions by adding the dynamic configuration option where needed.Link

• Update Fetch Requests to Handle Caching
  Updates fetch requests to introduce the cache option and allows global control of caching behavior using fetchCache in layouts or pages.Link

• Configure staleTimes in next.config.js
  Adds the staleTimes property in the next.config.js file to manage cache durations for dynamic and static pages.Link

• Add Codemod Recipe for Next.js 15 Migration
  A set of codemods to help migrate to Next.js 15, including updates to:Link
  Route Handlers
  Fetch requests
  Stale times configuration in next.config.js

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[nishant2253]

@mohab-sameh please take a look at this pr and suggest any changes if possible