Add new updated READMEs (#55)

* Add new updated READMEs

* Create cool-pumas-flash.md

.changeset/cool-pumas-flash.md

@@ -0,0 +1,5 @@
+---
+"@lunariajs/core": patch
+---
+
+Update README

README.md

@@ -1,11 +1,21 @@
-# Lunaria
+<p align="center">
+  <picture>
+  <source media="(prefers-color-scheme: dark)" srcset="https://github.com/Yan-Thomas/lunaria/assets/61414485/d89b6221-403c-465c-821a-5d02b339590c">
+  <source media="(prefers-color-scheme: light)" srcset="https://github.com/Yan-Thomas/lunaria/assets/61414485/cfe14a43-e87d-4d8a-9285-651017f1f6e6">
+  <img alt="Lunaria logo" src="https://github.com/Yan-Thomas/lunaria/assets/61414485/cfe14a43-e87d-4d8a-9285-651017f1f6e6" height="100">
+</picture>
+  <br/>
+  <br/>
+  <a href="https://lunaria.dev">Lunaria</a> is the missing localization management toolchain for open-source projects &mdash;
+  <br/>
+  great for maintainers, even better for contributors.
+  <br/><br/>
+</p>
 
-Lunaria is an translation management toolchain for open-source projects.
+## Status
 
-## Is it ready?
+Lunaria is currently in early access and is **not ready to use yet**.
 
-![Yoda lifting his head, with the caption "patience you must learn"](https://media.tenor.com/5AwAZOY-F94AAAAd/star-wars-yoda.gif)
+## Documentation
 
-## Credits
-
-This project was created based on the internationalization tooling built by the Astro community. Special thanks to [Hippo](https://github.com/hippotastic) (creator of i18n Tracker) and [TheOtterlord](https://github.com/TheOtterlord) (for continued improvements to it).
+Read the official [Lunaria documentation](https://lunaria.dev) to learn more and get started.

packages/core/README.md

@@ -1,10 +1,8 @@
 # `@lunariajs/core`
 
-The `@lunariajs/core` package contains the base tracking and dashboard generation systems used across its related packages. You should use this package if:
+The `@lunariajs/core` package contains the base tracking and dashboard generation systems used across the toolchain.
 
-- You need fine-grained control over your dashboard
-- You want to build a package over it
-- There isn't a framework-specific `@lunariajs` package for your use-case
+Read the official [Lunaria documentation](https://lunaria.dev) to learn more about it.
 
 ## Installation