Implement Integral Data Types (#13)

**Rationale:**

Integral Types were missing and are needed for Project Nautilus.

**Changes:**

- Implements Integral Data Types
  - u64 and i64 implemented through bigint

Reviewed-on: #13
Co-authored-by: Sergey Savelyev <sergeysav.nn@gmail.com>
Co-committed-by: Sergey Savelyev <sergeysav.nn@gmail.com>

frontend/src/components/CommandSender.vue

@@ -4,6 +4,7 @@ import { ref } from 'vue';
 import CommandParameter from '@/components/CommandParameter.vue';
 import FlexDivider from '@/components/FlexDivider.vue';
 import type { DynamicDataType } from '@/composables/dynamic.ts';
+import { toJsonString } from '@/composables/json.ts';
 
 const props = defineProps<{
     command: CommandDefinition | null;
@@ -27,7 +28,7 @@ async function sendCommand() {
         headers: {
             'Content-Type': 'application/json',
         },
-        body: JSON.stringify(params),
+        body: toJsonString(params),
     });
     if (response.ok) {
         result.value = await response.json();