Create libioutil, implement a filewriter

aux/compiledb.sh

@@ -11,3 +11,4 @@ make -B all_compiledb_libstring
 make -B all_compiledb_libkb
 make -B all_compiledb_libaux
 make -B all_compiledb_libarena
+make -B all_compiledb_libioutil

aux/devel.sh

@@ -16,6 +16,7 @@ make -B all_libstring
 make -B all_libkb
 make -B all_libaux
 make -B all_libarena
+make -B all_libioutil
 make -B all_apps
 make -B all_dist
 ./aux/limine_iso_amd64.sh

aux/docs.sh

@@ -12,5 +12,6 @@ make -B docs_libterminal
 make -B docs_libkb
 make -B docs_libaux
 make -B docs_libarena
+make -B docs_libioutil
 
 mkdocs build

aux/format.sh

@@ -11,4 +11,5 @@ make -B format_libstring
 make -B format_libkb
 make -B format_libaux
 make -B format_libarena
+make -B format_libioutil
 make -B format_apps