fix: Made github token optional

src/scripts/getters.ts

@@ -1,37 +1,29 @@
+const githubHeaders = import.meta.env.GITHUB_TOKEN
+  ? {
+      headers: {
+        Authorization: `Bearer ${import.meta.env.GITHUB_TOKEN}`,
+      },
+    }
+  : {};
+
 export const repoData = await fetch(
   "https://api.github.com/repos/simeonradivoev/gameflow-deck",
-  {
-    headers: {
-      Authorization: `Bearer ${import.meta.env.GITHUB_TOKEN}`,
-    },
-  },
+  githubHeaders,
 ).then((res) => res.json());
 
 export const releaseData = await fetch(
   "https://api.github.com/repos/simeonradivoev/gameflow-deck/releases/latest",
-  {
-    headers: {
-      Authorization: `Bearer ${import.meta.env.GITHUB_TOKEN}`,
-    },
-  },
+  githubHeaders,
 ).then((res) => res.json());
 
 export const appContributorsData = await fetch(
   "https://api.github.com/repos/simeonradivoev/gameflow-deck/contributors",
-  {
-    headers: {
-      Authorization: `Bearer ${import.meta.env.GITHUB_TOKEN}`,
-    },
-  },
+  githubHeaders,
 ).then((res) => res.json());
 
 export const storeContributorsData = await fetch(
   "https://api.github.com/repos/simeonradivoev/gameflow-store/contributors",
-  {
-    headers: {
-      Authorization: `Bearer ${import.meta.env.GITHUB_TOKEN}`,
-    },
-  },
+  githubHeaders,
 ).then((res) => res.json());
 
 export const emulators = await fetch(