Add PLA charm

Change-Id: I23d9f49e7ac92150e9325f1400c22c816402f0a4
Signed-off-by: David Garcia <david.garcia@canonical.com>
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..16acbbf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,17 @@
+#   Copyright 2020 Canonical Ltd.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+[submodule "installers/charm/pla/mod/operator"]
+	path = installers/charm/pla/mod/operator
+	url = https://github.com/canonical/operator