docs(README): add installation instructions and update example

Author: aliernfrog

README.md

@@ -1,28 +1,86 @@
 # TopToast
-Simple toast library for Jetpack Compose
-- ⚠️ 0.0.11 and higher use Material 3
-- 👀 You can try TopToast by downloading demo application from [releases](https://github.com/aliernfrog/top-toast-compose/releases)
+[![GitHub Packages](https://img.shields.io/github/v/tag/aliernfrog/top-toast-compose?label=GitHub)](https://github.com/aliernfrog/top-toast-compose/packages) 
+[![JitPack](https://jitpack.io/v/aliernfrog/top-toast-compose.svg)](https://jitpack.io/#aliernfrog/top-toast-compose)
 
-## [📁 JitPack](https://jitpack.io/#aliernfrog/top-toast-compose)
-[![](https://jitpack.io/v/aliernfrog/top-toast-compose.svg)](https://jitpack.io/#aliernfrog/top-toast-compose)
+Toast library for Jetpack Compose
+
+## 👀 Try it out
+You can try TopToast by downloading demo application from [releases](https://github.com/aliernfrog/top-toast-compose/releases)
+
+## 📥 Installation
+You can get the library from GitHub Packages or JitPack
+### GitHub Packages
+- Create a GitHub PAT with `read:packages` scope
+- Put the PAT and your GitHub username in global/project `gradle.properties`:
+  ```
+  gpr.user=MyUserName
+  gpr.key=MyPAT
+  ```
+  or supply `GITHUB_ACTOR` (username) and `GITHUB_TOKEN` (PAT) in environment variables
+- Add maven repository: (Kotlin)
+  ```kts
+  maven(url = "https://maven.pkg.github.com/aliernfrog/top-toast-compose") {
+      credentials {
+        username = providers.gradleProperty("gpr.user").orNull ?: System.getenv("GITHUB_ACTOR")
+        password = providers.gradleProperty("gpr.key").orNull ?: System.getenv("GITHUB_TOKEN")
+      }
+  }
+  ```
+- Add dependency: (Kotlin)
+  ```kts
+  implementation("aliernfrog:top-toast-compose:<VERSION>")
+  ```
+
+### JitPack
+> [!WARNING]
+> As JitPack now fails to build with no reason, latest versions available on JitPack are `1.3.4` and `1.3.5-alpha01`.
+> It may or may not be updated in the future.
+- Add maven repository: (Kotlin)
+  ```kts
+  maven(url = "https://jitpack.io")
+  ```
+- Add dependency: (Kotlin)
+  ```kts
+  implementation("com.github.aliernfrog:top-toast-compose:<VERSION>")
+  ```
 
 ## 🍞 Example usage
 ```kotlin
 val topToastState = remember {
-    TopToastState(window.decorView)
+    TopToastState(
+        // Required for Android type toasts, you can set it to null and set it later using `setComposeView()`
+        composeView = window.decorView,
+        // Used in Android type toasts, you can set it to null and set it later using `setAppTheme()`
+        appTheme = { toastContent ->
+            MyAppTheme(toastContent)
+        }
+    )
 }
 
 Box(
     modifier = Modifier.background(MaterialTheme.colorScheme.surface)
 ) {
-    Button(
-        content = {
-            Text("Click me")
-        },
-        onClick = {
-            topToastState.showToast("This is a toast")
-        }
-    )
+    Column {
+        Button(
+            content = {
+                Text("Click me")
+            },
+            onClick = {
+                // Shows an interactive toast in TopToastHost
+                topToastState.showToast("This is a toast")
+            }
+        )
+        Button(
+            content = {
+                Text("Android toast")
+            },
+            onClick = {
+                // Shows a toast using Android Toast APIs, visible on top of modals and dialogs
+                // Cannot be interacted with
+                topToastState.showToast("This is a toast")
+            }
+        )
+    }
     TopToastHost(topToastState)
 }
 ```