feat: install svg icon; fix some install permissions (#226)

Co-authored-by: Gabriele Musco <gabmus@disroot.org>

Author: GabMus

Makefile

@@ -8,11 +8,13 @@ build-release:
 install:
 	install -Dm755 target/release/lact $(DESTDIR)$(PREFIX)/bin/lact
 	install -Dm644 res/lactd.service $(DESTDIR)$(PREFIX)/lib/systemd/system/lactd.service
-	install -Dm755 res/io.github.lact-linux.desktop $(DESTDIR)$(PREFIX)/share/applications/io.github.lact-linux.desktop
-	install -Dm755 res/io.github.lact-linux.png $(DESTDIR)$(PREFIX)/share/pixmaps/io.github.lact-linux.png
+	install -Dm644 res/io.github.lact-linux.desktop $(DESTDIR)$(PREFIX)/share/applications/io.github.lact-linux.desktop
+	install -Dm644 res/io.github.lact-linux.png $(DESTDIR)$(PREFIX)/share/pixmaps/io.github.lact-linux.png
+	install -Dm644 res/io.github.lact-linux.svg $(DESTDIR)$(PREFIX)/share/icons/hicolor/scalable/apps/io.github.lact-linux.svg
 
 uninstall:
 	rm $(DESTDIR)$(PREFIX)/bin/lact
 	rm $(DESTDIR)$(PREFIX)/lib/systemd/system/lactd.service
 	rm $(DESTDIR)$(PREFIX)/share/applications/io.github.lact-linux.desktop
 	rm $(DESTDIR)$(PREFIX)/share/pixmaps/io.github.lact-linux.png
+	rm $(DESTDIR)$(PREFIX)/share/icons/hicolor/scalable/apps/io.github.lact-linux.svg