feat: drop getting started for free and add maintenance warning

Signed-off-by: David Dal Busco <david.dalbusco@outlook.com>

Author: peterpeterparker

docs/components/maintenance.md

@@ -0,0 +1,5 @@
+:::caution
+
+Juno is in **maintenance** and not actively developed anymore. Do not use it for anything serious.
+
+:::

docs/create-a-satellite.mdx

@@ -17,11 +17,9 @@ keywords:
 
 When you're ready to deploy your project to production, you'll need to create a [Satellite].
 
-:::tip
+import Maintenance from "./components/maintenance.md";
 
-New to Juno? Reach out on [Discord](https://discord.gg/wHZ57Z2RAG) and we'll get you started for free.
-
-:::
+<Maintenance />
 
 1. To get started, sign-in to the Juno [Console](https://console.juno.build).
 2. Click **Launch your first Satellite**.

docs/intro.mdx

@@ -5,6 +5,10 @@ description: Explore Juno's serverless functions, hosting, and data capabilities
 
 # Getting Started with Juno
 
+import Maintenance from "./components/maintenance.md";
+
+<Maintenance />
+
 Unless you're looking to solely host your static website, the recommended way to start with Juno is by developing locally using the emulator — a production-like environment with full support for data, authentication, storage, and serverless functions.
 
 It gives you everything you need to build and test your app before deploying anything live.

docs/miscellaneous/wallet.mdx

@@ -2,12 +2,6 @@
 
 This section provides guidance on managing your cycles with your wallet (your account), which are essential for maintaining and providing enough resources for your modules in the Juno ecosystem.
 
-:::tip
-
-New to Juno? You don't need to set up a wallet. Reach out on [Discord](https://discord.gg/wHZ57Z2RAG) and we'll get you started for free.
-
-:::
-
 :::important
 
 Just like your modules, your wallet is under your control — Juno cannot access, move, or recover the cycles held inside.