CMS 2.0 - Theme engine, logging, admin improvements

Major changes:
- New ThemeManager with Twig templating and SCSS compilation
- Dynamic themes system (themes/default, themes/demo)
- LogManager with SQLite storage and syslog forwarding
- RequestLogger with static helper methods
- Admin UI overhaul (Bootstrap 5, dark mode)
- Admin config page with logging and theme settings
- Admin logs page with filters and search
- Removed legacy Mustache templates
- Removed test plugin and theme
- Composer dependencies: Twig, scssphp, CommonMark, MaxMind GeoIP

vendor/symfony/filesystem/CHANGELOG.md

@@ -0,0 +1,97 @@
+CHANGELOG
+=========
+
+8.1
+---
+
+ * Deprecate calling `Filesystem::mirror()` with option `copy_on_windows`, use option `follow_symlinks` instead.
+
+7.1
+---
+
+ * Add the `Filesystem::readFile()` method
+
+7.0
+---
+
+ * Add argument `$lock` to `Filesystem::appendToFile()`
+
+5.4
+---
+
+ * Add `Path` class
+ * Add `$lock` argument to `Filesystem::appendToFile()`
+
+5.0.0
+-----
+
+ * `Filesystem::dumpFile()` and `appendToFile()` don't accept arrays anymore
+
+4.4.0
+-----
+
+ * support for passing a `null` value to `Filesystem::isAbsolutePath()` is deprecated and will be removed in 5.0
+ * `tempnam()` now accepts a third argument `$suffix`.
+
+4.3.0
+-----
+
+ * support for passing arrays to `Filesystem::dumpFile()` is deprecated and will be removed in 5.0
+ * support for passing arrays to `Filesystem::appendToFile()` is deprecated and will be removed in 5.0
+
+4.0.0
+-----
+
+ * removed `LockHandler`
+ * Support for passing relative paths to `Filesystem::makePathRelative()` has been removed.
+
+3.4.0
+-----
+
+ * support for passing relative paths to `Filesystem::makePathRelative()` is deprecated and will be removed in 4.0
+
+3.3.0
+-----
+
+ * added `appendToFile()` to append contents to existing files
+
+3.2.0
+-----
+
+ * added `readlink()` as a platform independent method to read links
+
+3.0.0
+-----
+
+ * removed `$mode` argument from `Filesystem::dumpFile()`
+
+2.8.0
+-----
+
+ * added tempnam() a stream aware version of PHP's native tempnam()
+
+2.6.0
+-----
+
+ * added LockHandler
+
+2.3.12
+------
+
+ * deprecated dumpFile() file mode argument.
+
+2.3.0
+-----
+
+ * added the dumpFile() method to atomically write files
+
+2.2.0
+-----
+
+ * added a delete option for the mirror() method
+
+2.1.0
+-----
+
+ * 24eb396 : BC Break : mkdir() function now throws exception in case of failure instead of returning Boolean value
+ * created the component