doc(elements): update readmes, components

Author: jg10-mastodon-social

docs/elements/components/pos-switch/pos-case/readme.md

@@ -9,11 +9,13 @@ See [storybook](https://pod-os.github.io/PodOS/storybook/?path=/story/basics--po
 
 ## Properties
 
-| Property   | Attribute   | Description                                                              | Type      | Default     |
-| ---------- | ----------- | ------------------------------------------------------------------------ | --------- | ----------- |
-| `else`     | `else`      | The test only evaluates to true if tests for preceding cases have failed | `boolean` | `undefined` |
-| `ifTypeof` | `if-typeof` | Test if the resource is of the specified type                            | `string`  | `undefined` |
-| `not`      | `not`       | Negates the result of the test                                           | `boolean` | `undefined` |
+| Property     | Attribute     | Description                                                                   | Type      | Default     |
+| ------------ | ------------- | ----------------------------------------------------------------------------- | --------- | ----------- |
+| `else`       | `else`        | The test only evaluates to true if tests for preceding cases have failed      | `boolean` | `undefined` |
+| `ifProperty` | `if-property` | Test if the resource has the specified property (forward link)                | `string`  | `undefined` |
+| `ifRev`      | `if-rev`      | Test if the resource is the subject of the specified property (backward link) | `string`  | `undefined` |
+| `ifTypeof`   | `if-typeof`   | Test if the resource is of the specified type                                 | `string`  | `undefined` |
+| `not`        | `not`         | Negates the result of the test                                                | `boolean` | `undefined` |
 
 
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