🏗️(caldav) migrate from davical to sabre/dav

docker/sabredav/sql/pgsql.locks.sql

@@ -0,0 +1,19 @@
+CREATE TABLE locks (
+    id SERIAL NOT NULL,
+    owner VARCHAR(100),
+    timeout INTEGER,
+    created INTEGER,
+    token VARCHAR(100),
+    scope SMALLINT,
+    depth SMALLINT,
+    uri TEXT
+);
+
+ALTER TABLE ONLY locks
+    ADD CONSTRAINT locks_pkey PRIMARY KEY (id);
+
+CREATE INDEX locks_token_ix
+    ON locks USING btree (token);
+
+CREATE INDEX locks_uri_ix
+    ON locks USING btree (uri);