add DESTDIR

initialize rules and xkb_rules

to fix compile errors with `-pedantic`

don't let -pedantic be overridable by environment

new functions ecalloc() and die()

die() replaces EBARF and BARF
and allow us to add `-pedantic` to CFLAGS

check `m` in commitlayersurfacenotify()

implement input-inhibitor protocol

implement idle-inhibitor protocol

This allows clients to disable idle monitoring

fix drag icon's surface returned by xytonode

set position of the drag icon in startdrag()

Revert "clients now works as expected in drag motion"

This reverts commit 9aec6049ecbefe3618f34002d2239cc9462c07e9.

this problem is caused because xytonode() returns the surface of the
drag icon

inline the presentation variable

This variable can be removed since with scene-graph
wlr_presentation_surface_sampled_on_output no longer needs to be called.

add note about how to change MODKEY for windows key

Fix dwl freezing when resizing

Add a configuration option for fullscreen locking

Some people are annoyed to have this new behaviour forced for some
application which use fake fullscreen.

add sway LICENSE file

part of the code in dwl is taken from sway, so credit it.
dwm and sway are both licensed under the MIT license

Merge pull request #137 from guidocella/libera

update IRC channel

Merge pull request #180 from Humm42/manpage

add dwl(1)

clients now works as expected in drag motion

implement drag and drop

For brevity, only a single drag icon at a time is supported.

Co-authored-by: Leonardo Hernández Hernández <leohdz172@protonmail.com>

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