add doc-gen and doc-viewer back to app.js after rebase

apps/remix-ide/src/remixAppManager.js

@@ -11,7 +11,7 @@ const requiredModules = [ // services + layout views + system views
   'filePanel', 'terminal', 'settings', 'pluginManager', 'tabs', 'udapp', 'dGitProvider', 'solidity', 'solidity-logic', 'gistHandler', 'layout',
   'notification', 'permissionhandler', 'walkthrough', 'storage', 'restorebackupzip', 'link-libraries', 'deploy-libraries', 'openzeppelin-proxy', 
   'hardhat-provider', 'ganache-provider', 'foundry-provider', 'basic-http-provider', 'injected', 'injected-trustwallet', 'injected-optimism-provider', 'injected-arbitrum-one-provider', 'vm-custom-fork', 'vm-goerli-fork', 'vm-mainnet-fork', 'vm-sepolia-fork', 'vm-merge', 'vm-london', 'vm-berlin',
-  'compileAndRun', 'search', 'recorder', 'fileDecorator', 'codeParser', 'codeFormatter', 'solidityumlgen', 'contractflattener']
+  'compileAndRun', 'search', 'recorder', 'fileDecorator', 'codeParser', 'codeFormatter', 'solidityumlgen', 'contractflattener', 'doc-gen', 'doc-viewer']
 
 // dependentModules shouldn't be manually activated (e.g hardhat is activated by remixd)
 const dependentModules = ['foundry', 'hardhat', 'truffle', 'slither']