feat(package): sentinel: some changes

package/sentinèlla/scheme.sql

@@ -0,0 +1,13 @@
+CREATE TABLE status (
+  id     INTEGER  PRIMARY KEY,  -- integer in sqlite almoust infinity
+  time   DATETIME DEFAULT CURRENT_TIMESTAMP,
+  status TEXT     NOT NULL
+);
+
+CREATE TABLE disk (
+  id     INTEGER  PRIMARY KEY,  -- integer in sqlite almoust infinity
+  time   DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  server TEXT     NOT NULL,
+  disk   TEXT     NOT NULL,
+  space  INTEGER  NOT NULL
+);