more components and code splitting

Signed-off-by: Peter Siegmund <developer@mars3142.org>

components/persistence/include/persistence.h

@@ -0,0 +1,12 @@
+#pragma once
+
+typedef enum
+{
+    VALUE_TYPE_STRING,
+    VALUE_TYPE_INT32,
+} persistence_value_type_t;
+
+void persistence_init(const char *namespace_name);
+void persistence_save(persistence_value_type_t value_type, const char *key, const void *value);
+void *persistence_load(persistence_value_type_t value_type, const char *key, void *out);
+void persistence_deinit();