Update readme.md

Author: worksofliam

readme.md

@@ -6,8 +6,11 @@ This extension pack includes a set of extensions for IBM i development in Visual
 * [IBMi Languages](https://marketplace.visualstudio.com/items?itemName=barrettotte.ibmi-languages)
 * [RPGLE Free](https://marketplace.visualstudio.com/items?itemName=BrianJGarland.vscode-rpgfree)
 * [Code for IBM i Walkthroughs](https://marketplace.visualstudio.com/items?itemName=HalcyonTechLtd.vscode-ibmi-walkthroughs)
+* [RPGLE language tools](https://marketplace.visualstudio.com/items?itemName=HalcyonTechLtd.vscode-rpgle)
 * [Code Coverage for IBM i](https://marketplace.visualstudio.com/items?itemName=HalcyonTechLtd.code-coverage-ibmi)
 * [Git Client for IBM i](https://marketplace.visualstudio.com/items?itemName=HalcyonTechLtd.git-client-ibmi)
+* [Error Lens](https://marketplace.visualstudio.com/items?itemName=usernamehw.errorlens)
+* [TODO Highlight](https://marketplace.visualstudio.com/items?itemName=wayou.vscode-todo-highlight)
 
 ### Notice