Sort list of repos alphabetically (#1376)

Author: bioball

README.adoc

@@ -63,6 +63,9 @@ image:https://github.com/apple/pkl/actions/workflows/main.yml/badge.svg?style=sv
 |https://github.com/apple/pkl-go-examples[`apple/pkl-go-examples`]
 |Examples for using Pkl within Go applications
 
+|https://github.com/apple/highlightjs-pkl[`apple/highlightjs-pkl`]
+|Highlight.js syntax highlighting for Pkl
+
 |https://github.com/apple/pkl-intellij[`apple/pkl-intellij`]
 |JetBrains editor plugins providing Pkl language support
 
@@ -93,6 +96,9 @@ image:https://github.com/apple/pkl/actions/workflows/main.yml/badge.svg?style=sv
 |https://github.com/apple/pkl-project-commons[`apple/pkl-project-commons`]
 |Utility libraries for Pkl
 
+|https://github.com/apple/pkl-readers[`apple/pkl-readers`]
+|Shared Pkl https://pkl-lang.org/main/current/language-reference/index.html#external-readers[external reader] tools
+
 |https://github.com/apple/pkl-spring[`apple/pkl-spring`]
 |Spring Boot extension for configuring Boot apps with Pkl
 
@@ -108,15 +114,9 @@ image:https://github.com/apple/pkl/actions/workflows/main.yml/badge.svg?style=sv
 |https://github.com/apple/pkl.tmbundle[`apple/pkl.tmbundle`]
 |TextMate bundle for Pkl
 
-|https://github.com/apple/rules_pkl[`apple/rules_pkl`]
-|Bazel build rules for Pkl
-
 |https://github.com/apple/tree-sitter-pkl[`apple/tree-sitter-pkl`]
 |Tree-sitter parser for Pkl
 
-|https://github.com/apple/highlightjs-pkl[`apple/highlightjs-pkl`]
-|Highlight.js syntax highlighting for Pkl 
-
-|https://github.com/apple/pkl-readers[`apple/pkl-readers`]
-|Shared Pkl https://pkl-lang.org/main/current/language-reference/index.html#external-readers[external reader] tools
+|https://github.com/apple/rules_pkl[`apple/rules_pkl`]
+|Bazel build rules for Pkl
 |===