Update changelog & docs/bugfix system requirements

Changelog.md

@@ -7,7 +7,7 @@ This file holds the changelog for Pepperminty Wiki. This is the master list of t
 ### Added
  - Added dark theme via `prefers-color-scheme` to configuration guide (see the stable channel guide [here](https://starbeamrainbowlabs.com/labs/peppermint/peppermint-config-info.php) - will only be updated when v0.22 is released)
  - Added link thingy you can click next to each setting to jump right to it
- - [docs] Documented the structure of `pageindex.json`
+ - [docs] Documented the structure of `pageindex.json` and `recentchanges.json`
 
 ### Fixed
  - Obfuscate the admin email address at the bottom of every page - we missed it in v0.22-beta1 (but got every other one though :P) (#205)

docs/04-Getting-Started.md

@@ -9,7 +9,7 @@
 	- `fileinfo` (for proper mime type checking of uploaded files)
 	- `zip` (for compressing exports)
 	- `intl` (for Unicode text normalization when searching and in the id index, and when sending emails when utf-8 mode is disabled)
-	- `sqlite` (for search index storage; uses [PDO](https://www.php.net/manual/en/ref.pdo-sqlite.php))
+	- `sqlite3` (for search index storage; uses [PDO](https://www.php.net/manual/en/ref.pdo-sqlite.php))
 - Write access to Pepperminty Wiki's own folder (only for editing)
 - Recommended: Block access to `peppermint.json`, where it stores it's settings