docs: 引入 Fumadocs

ci: set up github actions

docs/lib/media-adapter.ts

@@ -0,0 +1,23 @@
+import type { MediaAdapter } from 'fumadocs-openapi';
+
+export const OpenIsleMediaAdapter: MediaAdapter = {
+  encode(data) {
+    return JSON.stringify(data.body);
+  },
+  // returns code that inits a `body` variable, used for request body
+  generateExample(data, ctx) {
+    if (ctx.lang === 'js') {
+      return `const body = "hello world"`;
+    }
+
+    if (ctx.lang === 'python') {
+      return `body = "hello world"`;
+    }
+
+    if (ctx.lang === 'go' && 'addImport' in ctx) {
+      ctx.addImport('strings');
+
+      return `body := strings.NewReader("hello world")`;
+    }
+  },
+};