feat(lsp): add supported languages with icons for C and C++

src/constants/language.tsx

@@ -0,0 +1,16 @@
+import { COriginal, CplusplusOriginal } from 'devicons-react'
+
+export const SUPPORTED_LANGUAGES = [
+  {
+    id: "c",
+    label: "C",
+    icon: <COriginal size={16} aria-hidden="true" />
+  },
+  {
+    id: "cpp",
+    label: "C++",
+    icon: <CplusplusOriginal size={16} aria-hidden="true" />,
+  },
+] as const;
+
+export type SupportedLanguage = (typeof SUPPORTED_LANGUAGES)[number]["id"];