.gitmodules: add cobbler (bsc#1243917)

Cobbler was in Package Hub 16.0 before the git transition, but
was not building successfully. Let's try it again.

Signed-off-by: Nathan Cutler <ncutler@suse.cz>

.gitmodules

@@ -10190,6 +10190,10 @@
 	path = memleax
 	url = ../../pool/memleax
 	branch = leap-16.0
+[submodule "memtest86+"]
+	path = memtest86+
+	url = ../../pool/memtest86_
+	branch = leap-16.0
 [submodule "menu-cache"]
 	path = menu-cache
 	url = ../../pool/menu-cache
@@ -11882,6 +11886,10 @@
 	path = openssl_tpm2_engine
 	url = ../../pool/openssl_tpm2_engine
 	branch = leap-16.0
+[submodule "opensuse-welcome-launcher"]
+	path = opensuse-welcome-launcher
+	url = ../../pool/opensuse-welcome-launcher
+	branch = leap-16.0
 [submodule "opentimelineio"]
 	path = opentimelineio
 	url = ../../pool/opentimelineio
@@ -26026,39 +26034,7 @@
 	path = python-pygraphviz
 	url = ../../pool/python-pygraphviz
 	branch = leap-16.0
-[submodule "obs-service-cargo"]
-	path = obs-service-cargo
-	url = ../../pool/obs-service-cargo
-	branch = leap-16.0
-[submodule "obs-service-extract_file"]
-	path = obs-service-extract_file
-	url = ../../pool/obs-service-extract_file
-	branch = leap-16.0
-[submodule "obs-service-update_changelog"]
-	path = obs-service-update_changelog
-	url = ../../pool/obs-service-update_changelog
-	branch = leap-16.0
-[submodule "obs-service-refresh_patches"]
-	path = obs-service-refresh_patches
-	url = ../../pool/obs-service-refresh_patches
-	branch = leap-16.0
-[submodule "cargo-vendor-filterer"]
-	path = cargo-vendor-filterer
-	url = ../../pool/cargo-vendor-filterer
-	branch = leap-16.0
-[submodule "ghc-file-io"]
-	path = ghc-file-io
-	url = ../../pool/ghc-file-io
-	branch = leap-16.0
-[submodule "perl-Perl-Critic-TooMuchCode"]
-	path = perl-Perl-Critic-TooMuchCode
-	url = ../../pool/perl-Perl-Critic-TooMuchCode
-	branch = leap-16.0
-[submodule "nemo-extensions"]
-	path = nemo-extensions
-	url = ../../pool/nemo-extensions
-	branch = leap-16.0
-[submodule "nextcloud-desktop"]
-	path = nextcloud-desktop
-	url = ../../pool/nextcloud-desktop
+[submodule "cobbler"]
+	path = cobbler
+	url = ../../pool/cobbler
 	branch = leap-16.0