Add empty line after docs for each member

Author: sebromero

docs/api.md

@@ -22,6 +22,8 @@ Enum to select the storage device to use.
 DEV_SDCARD            | SD Card.
 DEV_USB            | USB Thumb Drive.
 
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 #### `enum ` [`FileSystems`](#_arduino___p_o_s_i_x_storage_8h_1ac01996562b852a6b36ad87908429ad35) <a id="_arduino___p_o_s_i_x_storage_8h_1ac01996562b852a6b36ad87908429ad35" class="anchor"></a>
 
 Enum to select the file system to use.
@@ -31,6 +33,8 @@ Enum to select the file system to use.
 FS_FAT            | FAT file system.
 FS_LITTLEFS            | LittleFS file system.
 
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 #### `enum ` [`MountFlags`](#_arduino___p_o_s_i_x_storage_8h_1a069889b849809b552adf0513c6db2b85) <a id="_arduino___p_o_s_i_x_storage_8h_1a069889b849809b552adf0513c6db2b85" class="anchor"></a>
 
 Enum to select the mount mode to use. The default mode is Read/Write.
@@ -40,6 +44,8 @@ Enum to select the mount mode to use. The default mode is Read/Write.
 MNT_DEFAULT            | Default mount mode (Read/Write)
 MNT_RDONLY            | Read only mode.
 
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 #### `public int ` [`mount`](#_arduino___p_o_s_i_x_storage_8h_1a22178afb74ae05ab1dcf8c50eb4a9d1f)`(const enum ` [`StorageDevices`](#_arduino___p_o_s_i_x_storage_8h_1a97a26676f4f644e3db23bb63b9227546)` deviceName, const enum ` [`FileSystems`](#_arduino___p_o_s_i_x_storage_8h_1ac01996562b852a6b36ad87908429ad35)` fileSystem, const enum ` [`MountFlags`](#_arduino___p_o_s_i_x_storage_8h_1a069889b849809b552adf0513c6db2b85)` mountFlags)` <a id="_arduino___p_o_s_i_x_storage_8h_1a22178afb74ae05ab1dcf8c50eb4a9d1f" class="anchor"></a>
 
 Attach a file system to a device.
@@ -53,6 +59,7 @@ Attach a file system to a device.
 
 #### Returns
 On success: 0. On failure: -1 with an error code in the errno variable.
+<hr />
 
 #### `public int ` [`umount`](#_arduino___p_o_s_i_x_storage_8h_1a57b5f0c881dedaf55fe1b9c5fa59e1f8)`(const enum ` [`StorageDevices`](#_arduino___p_o_s_i_x_storage_8h_1a97a26676f4f644e3db23bb63b9227546)` deviceName)` <a id="_arduino___p_o_s_i_x_storage_8h_1a57b5f0c881dedaf55fe1b9c5fa59e1f8" class="anchor"></a>
 
@@ -63,6 +70,7 @@ Remove the attached file system from a device.
 
 #### Returns
 On success: 0. On failure: -1 with an error code in the errno variable.
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 #### `public int ` [`register_hotplug_callback`](#_arduino___p_o_s_i_x_storage_8h_1a1a914f0970d317b6a74bef4368cbcae8)`(const enum ` [`StorageDevices`](#_arduino___p_o_s_i_x_storage_8h_1a97a26676f4f644e3db23bb63b9227546)` deviceName, void(*)() callbackFunction)` <a id="_arduino___p_o_s_i_x_storage_8h_1a1a914f0970d317b6a74bef4368cbcae8" class="anchor"></a>
 
@@ -75,6 +83,7 @@ Register a hotplug callback function. Currently only supported for DEV_USB on Po
 
 #### Returns
 On success: 0. On failure: -1 with an error code in the errno variable.
+<hr />
 
 #### `public int ` [`deregister_hotplug_callback`](#_arduino___p_o_s_i_x_storage_8h_1ae80d0ace82aad5ef4a130953290efbd7)`(const enum ` [`StorageDevices`](#_arduino___p_o_s_i_x_storage_8h_1a97a26676f4f644e3db23bb63b9227546)` deviceName)` <a id="_arduino___p_o_s_i_x_storage_8h_1ae80d0ace82aad5ef4a130953290efbd7" class="anchor"></a>
 
@@ -85,6 +94,7 @@ Deregister a previously registered hotplug callback function. Not currently supp
 
 #### Returns
 On success: 0. On failure: -1 with an error code in the errno variable.
+<hr />
 
 #### `public int ` [`mkfs`](#_arduino___p_o_s_i_x_storage_8h_1a834ae6d0e65c5b47f9d8932f7ad0c499)`(const enum ` [`StorageDevices`](#_arduino___p_o_s_i_x_storage_8h_1a97a26676f4f644e3db23bb63b9227546)` deviceName, const enum ` [`FileSystems`](#_arduino___p_o_s_i_x_storage_8h_1ac01996562b852a6b36ad87908429ad35)` fileSystem)` <a id="_arduino___p_o_s_i_x_storage_8h_1a834ae6d0e65c5b47f9d8932f7ad0c499" class="anchor"></a>
 
@@ -97,3 +107,4 @@ Format a device (make file system).
 
 #### Returns
 On success: 0. On failure: -1 with an error code in the errno variable.
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