fix(docs): Ensure relative links always resolve

Linking to the document _file path_ rather than the document _URL_
ensures that the link resolves regardless of trailing slash config.

More information is at https://docusaurus.io/docs/docs-markdown-features

docs/docs/features/displays.md

@@ -6,5 +6,5 @@ sidebar_label: Displays
 Displays in ZMK are currently a proof of concept and official support is coming soon.
 
 :::info
-Although ZMK-powered keyboards _are_ capable of utilizing OLED and ePaper displays, the Displays feature is not yet considered production-ready due to an issue where the display remains blank after resuming from [external power cutoff](../behaviors/power#external-power-control). This issue can be tracked on GitHub at [zmkfirmware/zmk #674](https://github.com/zmkfirmware/zmk/issues/674).
+Although ZMK-powered keyboards _are_ capable of utilizing OLED and ePaper displays, the Displays feature is not yet considered production-ready due to an issue where the display remains blank after resuming from [external power cutoff](../behaviors/power.md#external-power-control). This issue can be tracked on GitHub at [zmkfirmware/zmk #674](https://github.com/zmkfirmware/zmk/issues/674).
 :::

docs/docs/intro.md

@@ -32,7 +32,7 @@ ZMK is currently missing some features found in other popular firmware. This tab
 | [Backlight](features/backlight.md)                                                                                                 | ✅  |    ✅     | ✅  |
 | One Shot Keys                                                                                                                      | ✅  |    ✅     | ✅  |
 | [Combo Keys](features/combos.md)                                                                                                   | ✅  |           | ✅  |
-| [Macros](behaviors/macros)                                                                                                         | ✅  |    ✅     | ✅  |
+| [Macros](behaviors/macros.md)                                                                                                      | ✅  |    ✅     | ✅  |
 | Mouse Keys                                                                                                                         | 🚧  |    ✅     | ✅  |
 | Low Active Power Usage                                                                                                             | ✅  |           |     |
 | Low Power Sleep States                                                                                                             | ✅  |    ✅     |     |