Two quick markdown formatting changes prettier performed

Author: jeremy-rifkin

docs/API.md

@@ -132,6 +132,7 @@ supplying the library ids and versions in an array. The id's to supply can be fo
 `/api/libraries/<language-id>`
 
 Note that using external header files of the type:
+
 ```
 #include <https://some-url.to/a-file.h>
 ```

docs/AddingALibrary.md

@@ -6,7 +6,8 @@ and then how to submit PRs to get it into the main CE site.
 Note that most libraries are Header-only. This is the easiest form of library to support. If the library needs to be
 built, there are some caveats, best practices and good to knows. Consult the bottom of this page for details.
 
-If you're specifically looking for adding a Rust crate to CE, go here https://github.com/compiler-explorer/infra/blob/main/docs/adding_rust_crates.md
+If you're specifically looking for adding a Rust crate to CE, go here
+https://github.com/compiler-explorer/infra/blob/main/docs/adding_rust_crates.md
 
 ## Configuration