Add plugin-settings as submodules to reuse plugins

Issue-Ref: 4316
Issue-Url: af3#4325



Signed-off-by: Sebastian Bergemann <bergemann@fortiss.org>

.gitmodules

@@ -34,3 +34,9 @@
 [submodule "org.fortiss.variability/.settings"]
 	path = org.fortiss.variability/.settings
 	url = https://git.fortiss.org/af3/plugin-settings.git
+[submodule "org.fortiss.tooling.ext.reuse/.settings"]
+	path = org.fortiss.tooling.ext.reuse/.settings
+	url = https://git.fortiss.org/af3/plugin-settings
+[submodule "org.fortiss.tooling.ext.reuse.ui/.settings"]
+	path = org.fortiss.tooling.ext.reuse.ui/.settings
+	url = https://git.fortiss.org/af3/plugin-settings

.settings @ 310d1c04

+Subproject commit 310d1c04f28f6252d5a02dd8fde1b76ae4a4da51

.settings @ 310d1c04

+Subproject commit 310d1c04f28f6252d5a02dd8fde1b76ae4a4da51