GIthub Login (#578)

* Add files via upload

* Create linode-setup.md

* Create cloudflare-setup.md

* Update cloudflare-setup.md

* Delete 4-linode.png

* Delete 3-linode.png

* Add files via upload

* Add files via upload

* Update cloudflare-setup.md

* Update linode-setup.md

* Rename cloudflare-setup.md to cloudflare.md

* Rename linode-setup.md to linode.md

* Update mkdocs.yml

* Update cloudflare.md

* Update linode.md

* Update README.md

* Update README.md

* Update linode.md

sentence in Italian

* v1

The frontend has been completed, along with the .env variables.

However, there is an issue of infinite loading thereafter.

* Fix email and remove deprecated GitHub passport

* Update user_auth_system.md

add How to Set Up a Github Authentication

* Update .env.example

Improved the comment above the GitHub client ID and secret.

* Update user_auth_system.md

* Update package.json

* Remove unnecessary passport GitHub package

* fixed conflicts

 fixed conflicts between Berry-13:main and danny-avila:main

in api/server/index.js 45:54

* Delete e -i HEAD~2

client/src/components/Auth/Registration.tsx

@@ -340,6 +340,34 @@ function Registration() {
             </div>
           </>
         )}
+        {startupConfig?.githubLoginEnabled && (
+        <>
+     <div className="relative mt-6 flex w-full items-center justify-center border border-t uppercase">
+      <div className="absolute bg-white px-3 text-xs">Or</div>
+    </div>
+    <div className="mt-4 flex gap-x-2">
+      <a
+        aria-label="Login with GitHub"
+        href={`${startupConfig.serverDomain}/oauth/github`}
+        className="justify-left flex w-full items-center space-x-3 rounded-md border border-gray-300 px-5 py-3 hover:bg-gray-50 focus:ring-2 focus:ring-violet-600 focus:ring-offset-1"
+      >
+        <svg
+          xmlns="http://www.w3.org/2000/svg"
+          viewBox="0 0 24 24"
+          id="github"
+          className="h-5 w-5"
+        >
+          <path
+            fill="currentColor"
+            d="M12 0a12 12 0 0 0-3.84 23.399c.608.112.832-.256.832-.576v-2.015c-3.395.736-4.115-1.632-4.115-1.632a3.241 3.241 0 0 0-1.359-1.792c-1.104-.736.064-.736.064-.736a2.566 2.566 0 0 1 1.824 1.216a2.638 2.638 0 0 0 3.616 1.024a2.607 2.607 0 0 1 .768-1.6c-2.688-.32-5.504-1.344-5.504-5.984a4.677 4.677 0 0 1 1.216-3.168a4.383 4.383 0 0 1 .128-3.136s1.024-.32 3.36 1.216a11.66 11.66 0 0 1 6.112 0c2.336-1.536 3.36-1.216 3.36-1.216a4.354 4.354 0 0 1 .128 3.136a4.628 4.628 0 0 1 1.216 3.168c0 4.672-2.848 5.664-5.536 5.952a2.881 2.881 0 0 1 .832 2.24v3.36c0 .32.224.672.832.576A12 12 0 0 0 12 0z"
+          />
+        </svg>
+        <p>Login with GitHub</p>
+      </a>
+    </div>
+  </>
+)}
+
       </div>
     </div>
   );