www/qutebrowser: update to 1.2.1

[novel]

Summary

• Update to 1.2.1;
• Switch MASTER_SITE to CHEESESHOP and install documentation this distfile provides;
• Add WebEngine backend support and drop pkg-message that tells only WebKit is supported;
• Add missing audio/alsa-plugins dependency for sound support;
• Drop deprecated optsuffix;
• Install .desktop file.

[jrm]

I had to install audio/alsa-plugins to get sound.

[novel]

In D14723#309583, @jrm wrote:

I had to install audio/alsa-plugins to get sound.

Dependency added.

[jrm]

Makefile

4 ↗

(On Diff #40408)

With

MASTER_SITES= CHEESESHOP

we get the inline documentation pre-built (:help works).

In this case, we can remove DISTVERSION_PREFIX and USE_GITHUB.

25 ↗

(On Diff #40408)

also desktop-file-utils

then

PLIST_FILES= share/applications/${PORTNAME}-${PYTHON_VER}.desktop

28 ↗

(On Diff #40408)

I see a warning about optsuffix being deprecated. Can we just remove it since only python 3.5+ is supported?

38 ↗

(On Diff #40408)

post-install:
	${INSTALL_DATA} ${WRKSRC}/misc/${PORTNAME}.desktop \
		${STAGEDIR}${PREFIX}/share/applications/${PORTNAME}-${PYTHON_VER}.desktop