Fix collections import 500s (#4366)

The collection rebuild action in biztools 500s when it hits
this file, with no further info available :(

There are a couple of potential failure points I fixed here:
a bare http url instead of https and a org without a repo listed.

Co-authored-by: Jason Meridth <[email protected]>

Author: ahpook

collections/playdate-rust/index.md

@@ -4,7 +4,7 @@ created_by: boozook
 image: playdate-rust.png
 items:
  - https://sdk.play.date/Inside%20Playdate%20with%20C.html
- - pd-rs
+ - pd-rs/crankstart
  - boozook/playdate
  - adamsoutar/playboy
  - jcornaz/play-jam-4
@@ -18,6 +18,6 @@ items:
  - pomettini/starfield-playdate-rs
  - sayhiben/awesome-playdate
  - https://devforum.play.date
- - http://playdate-wiki.com/wiki/Developing_for_Playdate
+ - https://playdate-wiki.com/wiki/Developing_for_Playdate
 ---
 Packages, tools, and examples that are helpful to make games for Playdate in the Rust programming language.