move faq to the learn embedded Rust section

Author: japaric

index.md

@@ -42,6 +42,10 @@ correct embedded software.
 
 [book]: book/index.html
 
+## Frequently Asked Questions
+
+You can find our list of FAQ [here](faq.html).
+
 # Write embedded Rust
 
 Once you have learned the basics these resources will make writing embedded
@@ -51,10 +55,6 @@ programs easier.
 
 [Awesome embedded Rust]: https://github.com/rust-embedded/awesome-embedded-rust
 
-## Frequently Asked Questions
-
-You can find our FAQ [here](faq.html).
-
 # Master embedded Rust
 
 Once you're quite familiar with embedded Rust development, you may find these