feat: Add converters utility file

This commit introduces a new utility file for various data conversions. This new file, converters.util.ts, includes functions to convert case for strings and convert between boolean values and buffers.

src/utils/converters.util.ts

@@ -0,0 +1,12 @@
+const ConvertersUtils = {
+	toUpperCase: (str: string) => String(str).toUpperCase(),
+	toLowerCase: (str: string) => String(str).toLowerCase(),
+	bufferToBool: (buf: ArrayBuffer) => {
+		return new Uint8Array(buf)[0] !== 0;
+	},
+	boolToBuffer: (bol: boolean) => {
+		return new Uint8Array([bol ? 1 : 0]).buffer;
+	}
+}
+
+export default ConvertersUtils;