feat(http-requests): add support for methods, body and headers for http

db/patch-http-monitor-method-body-and-headers.sql

@@ -0,0 +1,13 @@
+-- You should not modify if this have pushed to Github, unless it does serious wrong with the db.
+BEGIN TRANSACTION;
+
+ALTER TABLE monitor
+    ADD method TEXT default 'GET' not null;
+
+ALTER TABLE monitor
+    ADD body TEXT default null;
+
+ALTER TABLE monitor
+    ADD headers TEXT default null;
+
+COMMIT;