Add resources for text processing (#7817)

Added Some Resources for Linux -> Text Processing

src/data/roadmaps/linux/content/104-text-processing/index.md

@@ -19,3 +19,5 @@ Overall, the proficiency in text processing is crucial for Linux users as it all
 Visit the following resources to learn more:
 
 - [@article@Linux Filters](https://ryanstutorials.net/linuxtutorial/filters.php)
+- [@article@Linux Text Processing Command](https://earthly.dev/blog/linux-text-processing-commands/)
+- [@article@Master Linux Text Processing Commands](https://everythingdevops.dev/linux-text-processing-commands/)