feat: add init/0 callback to start jesse database and preload schemas

Author: Taure

src/nova_json_schemas.erl

@@ -2,6 +2,7 @@
 -behaviour(nova_plugin).
 
 -export([
+    init/0,
     load_local_schemas/0,
     pre_request/4,
     post_request/4,
@@ -10,6 +11,11 @@
 
 -include_lib("kernel/include/logger.hrl").
 
+init() ->
+    jesse_database:load_all(),
+    load_local_schemas(),
+    #{}.
+
 %%--------------------------------------------------------------------
 %% @doc
 %% Load all local JSON schemas from the main application's