docs: document beta geographic availability

Signed-off-by: Infi <infi@infi.sh>

docs/astro.config.mjs

@@ -24,7 +24,16 @@ export default defineConfig({
                         {
                             label: "Setup",
                             link: "/contributing/setup",
-                        },
+                        }
+                    ],
+                },
+                {
+                    label: "Beta Test",
+                    items: [
+                        {
+                            label: "Geographic Availability",
+                            link: "/beta/availability-regions",
+                        }
                     ],
                 },
                 /* {

docs/src/content/docs/beta/availability-regions.md

@@ -0,0 +1,65 @@
+---
+title: Geographic Availability of the Beta Test
+description: Find out where you can join the beta test for Revolt on Android.
+template: doc
+---
+
+The beta test for Revolt on Android is available for testers in the following jurisdictions:
+
+- Armenia
+- Australia
+- Austria
+- Azerbaijan
+- Belgium
+- Brazil
+- Bulgaria
+- Canada
+- Croatia
+- Cyprus
+- Czechia
+- Denmark (Kingdom of)
+- Dominican Republic
+- Estonia
+- Finland (including Åland)
+- France (including overseas départements and other outre-mer territories)
+- Georgia
+- Germany
+- Gibraltar
+- Greece
+- Hungary
+- Iceland
+- Ireland
+- Israel
+- Italy
+- Japan
+- Latvia
+- Liechtenstein
+- Lithuania
+- Luxembourg
+- Malaysia
+- Malta
+- Moldova
+- Monaco
+- Netherlands
+- New Zealand
+- Norway (Kingdom of)
+- Poland
+- Portugal
+- Romania
+- San Marino
+- Slovakia
+- Slovenia
+- South Africa
+- South Korea
+- Spain
+- Sweden
+- Switzerland
+- Türkiye
+- Ukraine
+- United Kingdom
+- United States (including Territories of the U.S.)
+- Vatican City
+
+## My region isn't listed!
+
+While we don't offer the beta test in *all* regions of the world, we may and most likely will add regions that are not listed upon request. Please request the addition on [Jenvolt](https://rvlt.gg/jen) (if you beta test, you are probably already in the server!).