refactor: simplify SearchEngines class with improved code structure and modularity

refactor: improve SearchEngines class with cleaner API and referrer handling

refactor: move search engine detection logic to SearchEngines class

refactor: consolidate search engine data into single structured array

feat: add SearchEngines.php to project

fix doc block comment

docs: Add docblocks and type hints to Logger class members and methods

docs: add type hints and improve documentation for Logger class methods

more cleanup in the logger

refactor: improve SQL query readability with multi-line formatting

style: reformat SQL queries for improved readability and alignment

refactor: Replace $_REQUEST with global $INPUT object in Logger class

refactor: replace $_SERVER with $INPUT->server in Logger class

feat: refactor Logger methods to use SQLite plugin with parameterized queries

first go at moving to sqlite

autofix some issues

added sqlite schema file

refactor: remove unnecessary AUTOINCREMENT from SQLite table definitions

refactor: convert MySQL database schema to SQLite dialect

translation update

Version upped

check for permissions in img.php. fixes #72

Version upped

Add Windows 10 icon

Fix IPv6 statistics bug