refactor: streamline instance generator and enhance schema type handling

This commit includes:
- Removed unnecessary import in the instance generator for cleaner code.
- Added handling for binary format in schema type determination, improving type accuracy.

Author: owinter86

src/generator/instanceGenerator.ts

@@ -1,5 +1,3 @@
-import type { OpenAPIV3 } from "openapi-types";
-
 export function generateInstance(): string {
 	return `import type { AxiosInstance } from 'axios';
 

src/generator/schemaGenerator.ts

@@ -27,6 +27,9 @@ function getTypeFromSchema(
 
 	switch (schema.type) {
 		case "string":
+			if ("format" in schema && schema.format === "binary") {
+				return "string | { name?: string; type?: string; uri: string }";
+			}
 			return "string";
 		case "number":
 		case "integer":