Global: Implement Dark Mode 🌙 (inveniosoftware#669)

* Feat: Set up dark mode 🌙

* Implement dark mode
* Remove outdated overrides

* Remove redundant overrides.
* Seems like these overrides has no effect with the new version see https://squidfunk.github.io/mkdocs-material/upgrade/#changes-to-html-files_1

* frontpage: remove hard coded values in wave-svg

* footer:  remove Made with Material for MkDocs

* css: adapt custom css to the dark mode

* css: cleanup duplicates

* Automatic light / dark mode

* css: clean up

* update btn colors
* remove duplicates

* css colors: replace hard coded values with vars and cleanup duplicates

* footer: bring back made with MKDocs

* home: fix toggle not showing on frontpage and features

* Remove frontpage_base.html override as we are extending from main
* Still need to fix gradient color cut and style diffrence between dark and light mode

* fix line showing on screen resize

* Update CSS styles to fix gradiant without affecting other pages

* Fix homepage gradients without the need to override base.html

* fix size change on theme toggle

* css: show Github stars and forks

* fix transform value

* css: cleanup rules and refactor duplicates

* Update CSS styles to isolate changes to specific pages

* fix console warnings

* remove 'Home' on frontpage + adjust indentation

---------

Co-authored-by: Guillaume Viger <[email protected]>

docs/customize/metadata/custom_fields/records.md

@@ -283,7 +283,7 @@ You should add the `my_template.html` file in the `my-site/templates` folder in
 - `field_value`: the value of the field, as it is stored in the record after the UI serialization i.e. what is returned from the `ui_field` method when you [define your custom field](../../../develop/howtos/custom_fields.md).
 - `field_cfg`: the UI configuration for that specific field as it is defined in the `RDM_CUSTOM_FIELDS_UI` config.
 
-See the example in the [How-to](../../../develop/howtos/custom_fields.md#define-the-template-for-the-record-landing-page).
+See the example in the [How-to](../../../develop/howtos/custom_fields.md).
 
 ### Search
 

docs/reference/metadata.md

@@ -117,7 +117,7 @@ External PIDs are persistent identifiers managed via [Invenio-PIDStore](https://
 with external registration services.
 
 Persistent identifiers are globally unique in the system, thus you cannot have two records
-with the same system-managed persistent identifier (see also [Metadata > Identifiers](#identifiers-0-n)).
+with the same system-managed persistent identifier (see also [Metadata > Identifiers](#alternate-identifiers-0-n)).
 
 You can add a DOI that is not managed by InvenioRDM by using the provider `external`. You are not able to add `external` DOIs that have a prefix that is configured as part of a different PID provider.
 
@@ -1091,7 +1091,7 @@ Example:
     IIIF links are only returned for files who are compatible with IIIF.
     Those formats are defined by the `IIIF_FORMATS` configuration variable.
     By default _gif_, _jp2_, _jpeg_, _jpg_, _png_, _tif_, and _tiff_.
-    
+
 ### Default preview (0-1)
 
 The default preview field names the filename of the file which should by default

docs/reference/rest_api_drafts_records.md

@@ -285,7 +285,7 @@ Content-Type: application/json
 | Name       | Type   | Location | Description                                                  |
 | ---------- | ------ | -------- | ------------------------------------------------------------ |
 | `id`       | string | path     | Identifier of the record, e.g.  `4d0ns-ntd89`                |
-| `access`   | object | body     | [Access options](metadata.md#access-information) for the record. |
+| `access`   | object | body     | [Access options](metadata.md#access) for the record. |
 | `files`    | object | body     | [Files options](#files-options) for the record. |
 | `metadata` | object | body     | [Metadata](metadata.md#metadata) of the record. |
 | `custom_fields` | object | body     | [Custom fields](../customize/metadata/custom_fields/records.md#declaring-custom-fields) metadata for the record. (v10 and newer) |