added docs for appcheck and firebase functions

.gitignore

@@ -1,3 +1,3 @@
-.next
-node_modules
-/.idea
+.next
+node_modules
+/.idea

next.config.js

@@ -1,23 +1,23 @@
-const withNextra = require('nextra')({
-  theme: 'nextra-theme-docs',
-  themeConfig: './theme.config.tsx'
-})
-
-module.exports = withNextra({
-  async redirects() {
-    return [
-      {
-        // from 'error/message' to 'tips-and-tricks/error-message'
-        source: '/error/:errorId',
-        destination: '/tips-and-tricks/:errorId',
-        permanent: false,
-      },
-      {
-        // from 'doc/:topic' to 'concepts/:topic'
-        source: '/doc/:topic',
-        destination: '/concepts/:topic',
-        permanent: false,
-      }
-    ]
-  }
-})
+const withNextra = require('nextra')({
+  theme: 'nextra-theme-docs',
+  themeConfig: './theme.config.tsx'
+})
+
+module.exports = withNextra({
+  async redirects() {
+    return [
+      {
+        // from 'error/message' to 'tips-and-tricks/error-message'
+        source: '/error/:errorId',
+        destination: '/tips-and-tricks/:errorId',
+        permanent: false,
+      },
+      {
+        // from 'doc/:topic' to 'concepts/:topic'
+        source: '/doc/:topic',
+        destination: '/concepts/:topic',
+        permanent: false,
+      }
+    ]
+  }
+});