docs: migrate wiki into main repo

docs/modules/Focused.md

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+Displays the title and/or icon of the currently focused window.
+
+![Screenshot of focused widget, showing this page open on firefox](https://user-images.githubusercontent.com/5057870/184714118-c1fb1c67-cd8c-4cc0-b5cd-6faccff818ac.png)
+
+
+## Configuration
+
+> Type: `focused`
+
+| Name         | Type      | Default | Description                     |
+|--------------|-----------|---------|---------------------------------|
+| `show_icon`  | `boolean` | `true`  | Whether to show the app's icon  |
+| `show_title` | `boolean` | `true`  | Whether to show the app's title |
+| `icon_size`  | `integer` | `32`    | Size of icon in pixels          |
+| `icon_theme` | `string`  | `null`  | GTK icon theme to use           |
+
+<details>
+<summary>JSON</summary>
+
+```json
+{
+  "end": [
+    {
+      "type": "focused",
+      "show_icon": true,
+      "show_title": true,
+      "icon_size": 32,
+      "icon_theme": "Paper"
+    }
+  ]
+}
+
+```
+
+</details>
+
+<details>
+<summary>TOML</summary>
+
+```toml
+[[end]]
+type = "focused"
+show_icon = true
+show_title = true
+icon_size = 32
+icon_theme = "Paper"
+```
+
+</details>
+
+<details>
+<summary>YAML</summary>
+
+```yaml
+end:
+  - type: "focused"
+    show_icon: true
+    show_title: true
+    icon_size: 32
+    icon_theme: "Paper"
+```
+
+</details>
+
+<details>
+<summary>Corn</summary>
+
+```corn
+{
+  end = [
+    {
+      type = "focused"
+      show_icon = true
+      show_title = true
+      icon_size = 32
+      icon_theme = "Paper"
+    }
+  ]
+}
+```
+
+</details>
+
+## Styling
+
+| Selector                 | Description        |
+|--------------------------|--------------------|
+| `#focused`               | Focused widget box |
+| `#focused #icon`         | App icon           |
+| `#focused #label`        | App name           |