fix(troubleshooting): add pre-patch error message to docs

docs/.vitepress/config.mts

@@ -26,6 +26,8 @@ export default defineConfig({
             text: "Create your admin account",
             link: "/guides/create-admin-account",
           },
+
+          { text: "Troubleshooting", link: "/guides/server-troubleshooting" },
         ],
       },
       {

docs/guides/client-troubleshooting.md

@@ -1,8 +1,12 @@
 # Troubleshooting
 
 ## I'm on Linux, with Nvidia proprietary drivers, and Drop won't launch
+
 Add `WEBKIT_DISABLE_DMABUF_RENDERER=1` to the Drop .desktop file:
 
 1. Open `/usr/share/applications/Drop\ Desktop\ Client.desktop` with your preferred editor
 2. Add `WEBKIT_DISABLE_DMABUF_RENDERER=1` before `drop-app` on the `Exec=drop-app` line
 
+## "Server's and client's time is out of sync..." or HTTP 0
+
+The server and client must be within 30 seconds of each other for security reasons. Drop uses short-lived tokens to authenticate securely, and they are valid for those 30 seconds. If you are the server administrator, please ensure both your server and client have the correct time. If you are a user, please double check your own system before asking your admin.

docs/guides/quickstart.md

@@ -57,6 +57,10 @@ services:
 If you want to, you can generate a more secure PostgreSQL username & password.
 :::
 
+::: warning
+For security reasons, the Drop server and client's times need to be within 30 seconds of each other, otherwise authorization will fail.
+:::
+
 Once your instance is running, [create your admin account](/guides/create-admin-account.md).
 
 ## Setting up a client

docs/guides/server-troubleshooting.md

@@ -0,0 +1 @@
+# Troubleshooting