Added some information in the amiga readme

Makefile.os4

@@ -23,7 +23,7 @@ DFLAGS += -D__USE_INLINE__ -DLITE_XL_DATA_USE_EXEDIR
 CFLAGS += -Werror -Wwrite-strings -O3 -std=gnu11 -fno-strict-aliasing
 
 LFLAGS += -mcrt=newlib \
-	-lpcre2 -lSDL2 -llua54 -lfreetype -lz -lm -lpthread -athread=native
+	-lpcre2 -lSDL2 -llua54 -lfreetype -lpng -lz -lpthread -athread=native
 
 ifeq ($(DEBUG),1)
 CFLAGS += -g -gstabs
@@ -96,6 +96,7 @@ release: clean LiteXL
 	@cp README.md release/LiteXL2/
 	@cp README_Amiga.md release/LiteXL2/
 	@cp LICENSE release/LiteXL2/
+	@cp -r licenses release/LiteXL2/
 	@echo "Creating release archive..."
 	@lha -aeqr3 a LiteXL2_OS4.lha release/
 	@echo "Clean release files..."

README_Amiga.md

@@ -87,6 +87,14 @@ Shows the current time and date in a view with large text
 **bracketmatch**
 Underlines matching pair for bracket under the caret
 
+**codesets**
+This plugin is exclusive for AmigaOS 4 and uses the codesets.library to
+translate ISO encoded files to unicode. When this is enabled new menu
+items are added to load/save the code with a different encoding. Also
+there is a new section at the status bar that show the file encoding.
+This plugin is **EXPERIMENTAL** and heavily inspired from the encoding
+plugin at https://github.com/jgmdev/lite-xl-encoding
+
 **colorpreview**
 Underlays color values (eg. `#ff00ff` or `rgb(255, 0, 255)`) with their
 resultant color.
@@ -215,6 +223,18 @@ https://git.walkero.gr/walkero/lite-xl/issues
 
 # Changelog
 
+## [future] - future
+### Added
+- Added the new experimental codesets plugin
+
+### Changed
+- Compiled with SDL 2.28.4 (AmigaOS4 version)
+- Compiled with linpng 1.6.40 (AmigaOS4 version)
+- Compiled with libfreetype 2.13.1 (AmigaOS4 version)
+- Compiled with libz 1.2.13 (AmigaOS4 version)
+- Compiled with lua 5.4.6 (AmigaOS4 version)
+- Compiled with gcc 11.3.0 (AmigaOS4 version)
+
 ## [2.1.1r2] - 2022-05-14
 ### Changed
 - Compiled with latest SDL v2.26.5-rc2