created doc for why2_set_key_length

docs/functions/core/flags/setters/why2_set_key_length.md

@@ -0,0 +1,37 @@
+<!--
+This is part of WHY2
+Copyright (C) 2022 Václav Šmejkal
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+-->
+
+# why2_set_key_length
+
+## Parameters
+
+| Identifier     | Data type |
+| -------------- | --------- |
+| `keyLengthNew` | `int`     |
+
+## Attributes
+
+|                     |                                                |
+| ------------------  | ---------------------------------------------- |
+| **Return type**     | `void`                                |
+| **Header comment**  | *This functions doesn't have any description.* |
+| **Added in commit** | [`2156aff370d8a223ff41882467d55ceb41d4f877`](https://github.com/ENGO150/WHY2/commit/2156aff370d8a223ff41882467d55ceb41d4f877) |
+
+## Description
+
+Sets `key_length`, which is used in `key` generation. Also works as minimal length of `key` passed in [`why2_encrypt_text`](../../../encrypter/why2_encrypt_text).

docs/functions/index.md

@@ -65,6 +65,7 @@ You can find documentation for every *public* function of WHY2 below.
 | Function                                                              | Description                                       |
 | --------------------------------------------------------------------- | ------------------------------------------------- |
 | [`why2_set_encryption_separator`](./core/flags/setters/why2_set_encryption_separator) | *This functions doesn't have any description.* |
+| [`why2_set_key_length`](./core/flags/setters/why2_set_key_length) | *This functions doesn't have any description.* |
 
 ## Logger