feat: GitHub pages syntax hilight

_config.yml

@@ -0,0 +1,4 @@
+
+
+# we do the hilighting outselves via `prism`
+highlighter: none

_includes/head-custom.html

@@ -0,0 +1,8 @@
+{% comment %}
+see https://github.com/jekyll/minima/blob/master/_includes/custom-head.html
+{% endcomment %}
+
+<link rel="stylesheet" href="{{ '/assets/css/prism.css' | relative_url }}">
+<script defer src="{{ '/assets/js/prism.js' | relative_url }}"></script>
+
+<meta data-foo="bar-10" />

assets/.gitattributes

@@ -0,0 +1 @@
+*/prism.*     linguist-vendored linguist-generated

cdx/ai-ml.md

@@ -31,7 +31,7 @@ _Boolean value_ are `true` or `false`; case sensitive.
 
 ### Example: Using multiple languages
 
-```jsonc
+```json5
 {
   // ...
   "components": [{
@@ -96,7 +96,7 @@ These following and similar values SHOULD be used on the `cdx:ai-ml:model:parame
 
 The following pseudocode shows how you would include the defined (reserved) `count` and `tuning_method` model parameters on an ML model's model card:
 
-```jsonc
+```json5
 {
   // ...
   "components": [{
@@ -133,7 +133,7 @@ The following pseudocode shows how you would include the defined (reserved) `cou
 
 The following pseudocode shows how you would include a model parameter that is not currently listed in the AI/ML namespace taxonomy.  Below, we introduce the metasyntactic parameter name `foo` with a value `bar`.
 
-```jsonc
+```json5
 {
   // ...
   "components": [{
@@ -186,7 +186,7 @@ Each well-known property MAY be used once.
 
 The following pseudocode shows how you would include the defined (reserved) `hidden_act`, `hidden_size` and `num_hidden_layers` model hyperparameters on an ML model's model card:
 
-```jsonc
+```json5
 {
   // ...
   "components": [{
@@ -219,7 +219,7 @@ The following pseudocode shows how you would include the defined (reserved) `hid
 
 The following pseudocode shows how to include a model hyperparameter that is not currently listed in the AI/ML namespace taxonomy.  Below, we introduce the metasyntactic hyperparameter name `hamm` with a value `eggz`.
 
-```jsonc
+```json5
 {
   // ...
   "components": [{
@@ -279,7 +279,7 @@ Each well-known property MAY be used once, if not stated otherwise.
 
 The following pseudocode shows how you would include the defined (reserved) `eos_token` and `vocab_size` tokenizer hyperparameters on an ML model's model card:
 
-```jsonc
+```json5
 {
   // ...
   "components": [{
@@ -310,7 +310,7 @@ The following pseudocode shows how you would include the defined (reserved) `eos
 
 In the same way as shown in the model's `hyperparameter` example, the following pseudocode shows how you would include a tokenizer hyperparameter that is not currently listed in the AI/ML namespace taxonomy.  Below, we introduce the metasyntactic hyperparameter name `baz` with a value `qux`.
 
-```jsonc
+```json5
 {
   // ...
   "components": [{