Added blog posts

1. OS in Rust: An executable that runs on bare metal: Part-1
2. OS in Rust: An executable that runs on bare metal: Part-2

Author: bishtpawan

draft/2020-09-30-this-week-in-rust.md

@@ -35,6 +35,8 @@ No newsletters this week.
 The Rust Core Team wants input from the community!
 If you haven't already, [read the official blog](https://blog.rust-lang.org/2020/09/03/Planning-2021-Roadmap.html) and submit a blog post - it will show up here!
 Here are the wonderful submissions since the call for blog posts:
+* [OS in Rust: An executable that runs on bare metal: Part-1](https://blog.knoldus.com/os-in-rust-an-executable-that-runs-on-bare-metal-part-1/)
+* [OS in Rust: An executable that runs on bare metal: Part-2](https://blog.knoldus.com/os-in-rust-an-executable-that-runs-on-bare-metal-part-2/)
 
 # Crate of the Week