Support types in the standard library (#5651)

* Parse an unparse type decls (and refactor impl attributes slightly)

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Remove special treatment of geometric types from parser and executor

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Generate docs for std types

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Hover tool-tips for types and fixup the frontend

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Fixes

Signed-off-by: Nick Cameron <nrc@ncameron.org>

---------

Signed-off-by: Nick Cameron <nrc@ncameron.org>

rust/kcl-lib/src/docs/templates/function.hbs

@@ -46,12 +46,16 @@ layout: manual
 ### Examples
 
 {{#each examples}}
+{{#if this.content}}
 ```js
 {{{this.content}}}
 ```
+{{/if}}
 
 {{#unless @root.is_utilities}}
+{{#if this.image_base64}}
 ![Rendered example of {{@root.name}} {{@index}}](data:image/png;base64,{{{this.image_base64}}})
+{{/if}}
 
 {{/unless}}
 {{/each}}

rust/kcl-lib/src/docs/templates/index.hbs

@@ -15,7 +15,7 @@ layout: manual
 ### Standard library
 
 {{#each modules}}
-* **`{{name}}`**
+* **{{name}}**
 {{#each functions}}
   * [`{{name}}`](kcl/{{file_name}})
 {{/each}}

rust/kcl-lib/src/docs/templates/kclType.hbs

@@ -0,0 +1,32 @@
+---
+title: "{{name}}"
+excerpt: "{{safe_yaml summary}}"
+layout: manual
+---
+
+{{#if deprecated}}
+**WARNING:** This type is deprecated.
+
+{{/if}}
+{{{summary}}}
+
+{{{description}}}
+
+
+{{#if examples}}
+### Examples
+
+{{#each examples}}
+{{#if this.content}}
+```js
+{{{this.content}}}
+```
+{{/if}}
+
+{{#if this.image_base64}}
+![Rendered example of {{@root.name}} {{@index}}](data:image/png;base64,{{{this.image_base64}}})
+{{/if}}
+
+{{/each}}
+{{/if}}
+