some errors while trying to using the library

[emrum]

used version: crystal 1.16.3

some errors and proposed fixes:

In src/custom.cr:2:1
2 | require "cairo-gobject"
^
Error: can't find file 'cairo-gobject'

PROPOSED FIX: rename lib/cairo-gobject/src/cairo.cr to cairo-gobject.cr

In lib/cairo-gobject/src/cairo/lib_cairo.cr:19:3
19 | struct Glyph
^
Error: Glyph is already defined

PROPOSED FIX: uncomment duplicated definition

In lib/cairo-gobject/src/cairo/lib_cairo.cr:63:3
63 | struct TextCluster
^
Error: TextCluster is already defined

PROPOSED FIX: uncomment duplicated definition

In lib/cairo-gobject/src/cairo/rectangle_int.cr:5:9
5 | class RectangleInt
^
Error: RectangleInt is not a class, it's a struct

PROPOSED FIX: rename class to RectangleIntClass

In lib/cairo-gobject/src/cairo/rectangle.cr:5:9
5 | class Rectangle
^
Error: Rectangle is not a class, it's a struct

PROPOSED FIX: rename class to RectangleClass