doc: add permalinks and fix internal hyperlinks in documentation

docs/index.md

@@ -173,7 +173,7 @@ Here are some examples from the [playground](http://mozilla-services.github.io/r
 ![](https://i.imgur.com/IMFqMwK.png)
 ![](https://i.imgur.com/HOACwt5.png)
 
-Last, if you really really want to override the semantics generated by the lib, you can always create and use your own custom [widget](#custom-widget-components), [field](#custom-field-components) and/or [schema field](#custom-schemafield) components.
+Last, if you really really want to override the semantics generated by the lib, you can always create and use your own custom [widget](advanced-customization.md#custom-widget-components), [field](advanced-customization.md#custom-field-components) and/or [schema field](advanced-customization.md#custom-schemafield) components.
 
 
 ## JSON Schema supporting status
@@ -188,7 +188,7 @@ This component follows [JSON Schema](http://json-schema.org/documentation.html)
 
     The `anyOf`  and `oneOf` keywords are supported,  however, properties declared inside the `anyOf/oneOf` should not overlap with properties "outside" of the `anyOf/oneOf`.
 
-    You can also use `oneOf` with [schema dependencies](#schema-dependencies) to dynamically add schema properties based on input data.
+    You can also use `oneOf` with [schema dependencies](dependencies.md#schema-dependencies) to dynamically add schema properties based on input data.
 
 ## Tips and tricks
 
@@ -272,7 +272,7 @@ $ git push --tags origin master
 ### Q: Does rjsf support `oneOf`, `anyOf`, multiple types in an array, etc.?
 
 A: The `anyOf`  and `oneOf` keywords are supported,  however, properties declared inside the `anyOf/oneOf` should not overlap with properties "outside" of the `anyOf/oneOf`.
-There is also special cased where you can use `oneOf` in [schema dependencies](#schema-dependencies), If you'd like to help improve support for these keywords, see the following issues for inspiration [#329](https://github.com/mozilla-services/react-jsonschema-form/pull/329) or [#417](https://github.com/mozilla-services/react-jsonschema-form/pull/417). See also: [#52](https://github.com/mozilla-services/react-jsonschema-form/issues/52), [#151](https://github.com/mozilla-services/react-jsonschema-form/issues/151), [#171](https://github.com/mozilla-services/react-jsonschema-form/issues/171), [#200](https://github.com/mozilla-services/react-jsonschema-form/issues/200), [#282](https://github.com/mozilla-services/react-jsonschema-form/issues/282), [#302](https://github.com/mozilla-services/react-jsonschema-form/pull/302), [#330](https://github.com/mozilla-services/react-jsonschema-form/issues/330), [#430](https://github.com/mozilla-services/react-jsonschema-form/issues/430), [#522](https://github.com/mozilla-services/react-jsonschema-form/issues/522), [#538](https://github.com/mozilla-services/react-jsonschema-form/issues/538), [#551](https://github.com/mozilla-services/react-jsonschema-form/issues/551), [#552](https://github.com/mozilla-services/react-jsonschema-form/issues/552), or [#648](https://github.com/mozilla-services/react-jsonschema-form/issues/648).
+There is also special cased where you can use `oneOf` in [schema dependencies](dependencies.md#schema-dependencies), If you'd like to help improve support for these keywords, see the following issues for inspiration [#329](https://github.com/mozilla-services/react-jsonschema-form/pull/329) or [#417](https://github.com/mozilla-services/react-jsonschema-form/pull/417). See also: [#52](https://github.com/mozilla-services/react-jsonschema-form/issues/52), [#151](https://github.com/mozilla-services/react-jsonschema-form/issues/151), [#171](https://github.com/mozilla-services/react-jsonschema-form/issues/171), [#200](https://github.com/mozilla-services/react-jsonschema-form/issues/200), [#282](https://github.com/mozilla-services/react-jsonschema-form/issues/282), [#302](https://github.com/mozilla-services/react-jsonschema-form/pull/302), [#330](https://github.com/mozilla-services/react-jsonschema-form/issues/330), [#430](https://github.com/mozilla-services/react-jsonschema-form/issues/430), [#522](https://github.com/mozilla-services/react-jsonschema-form/issues/522), [#538](https://github.com/mozilla-services/react-jsonschema-form/issues/538), [#551](https://github.com/mozilla-services/react-jsonschema-form/issues/551), [#552](https://github.com/mozilla-services/react-jsonschema-form/issues/552), or [#648](https://github.com/mozilla-services/react-jsonschema-form/issues/648).
 
 ### Q: Will react-jsonschema-form support Material, Ant-Design, Foundation, or [some other specific widget library or frontend style]?
 

docs/validation.md

@@ -88,7 +88,7 @@ render((
 ), document.getElementById("app"));
 ```
 
-> Note: you can also use your own [ErrorList](#error-list-template)
+> Note: you can also use your own [ErrorList](advanced-customization.md#error-list-template)
 
 ### The case of empty strings
 

mkdocs.yml

@@ -9,4 +9,8 @@ nav:
   - Dependencies: dependencies.md
   - Form Customization: form-customization.md
   - Validation: validation.md
-  - Playground: https://mozilla-services.github.io/react-jsonschema-form/
+  - Playground: https://mozilla-services.github.io/react-jsonschema-form/
+
+markdown_extensions:
+  - toc:
+      permalink: true