feat: Add OurDB key-value store server

- Adds a new lightweight key-value store server implemented in V.
- Includes basic CRUD operations (`set`, `get`, `delete`).
- Provides configurable host and operation restrictions for security.
- Offers middleware for logging and request validation.
- Supports incremental mode for automatic ID generation.
- Includes comprehensive documentation and example usage.
- Adds unit tests to ensure functionality and stability.

examples/data/ourdb_server.vsh

@@ -0,0 +1,17 @@
+#!/usr/bin/env -S v -n -w -gc none  -cc tcc -d use_openssl -enable-globals run
+
+import freeflowuniverse.herolib.data.ourdb
+import os
+
+mut server := ourdb.new_server(
+	port:               9000
+	allowed_hosts:      ['localhost']
+	allowed_operations: ['set', 'get', 'delete']
+	secret_key:         'secret'
+	config:             ourdb.OurDBConfig{
+		path:             '/tmp/ourdb'
+		incremental_mode: true
+	}
+)!
+
+server.run()