docs: add manual plugin install guide and verify pgwiz plugin

Co-Authored-By: pgwiz <pgwiz@users.noreply.github.com>

README.md

@@ -43,6 +43,18 @@ Download Spotube from the Official Website: https://spotube.cc
 
 Grab the latest nightly builds of Spotube [from the Offical Website](https://spotube.cc/downloads/nightly).
 
+### 🧩 Plugins
+
+Spotube supports metadata and source plugins compiled as `.smplug` files.
+
+You can install plugins directly in Spotube:
+1. Navigate to **Settings** > **Plugins** > **Install a Plugin**.
+2. Under **Download from URL**, paste the direct plugin URL, for example:
+   - **Spotify Plugin (Latest)**: `https://github.com/pgwiz/spotube-plugin-spotify/releases/latest/download/plugin.smplug`
+   - **Spotify Plugin (v1.0.0)**: `https://github.com/pgwiz/spotube-plugin-spotify/releases/download/1.0.0/plugin.smplug`
+   - **Legacy Plugin Reference**: `https://github.com/sonic-liberation/spotube-plugin-spotify/releases/download/0.2.2/plugin.smplug`
+3. Click **Download**, review permissions, and confirm.
+
 ## 🕳️ Building from source
 
 <a href="https://github.com/team-spotube/spotube/actions"><img alt="GitHub Workflow Status" src="https://img.shields.io/github/actions/workflow/status/KRTirtho/spotube/spotube-release-binary.yml?+label=Build%20Status"></a>

composeApp/src/commonMain/kotlin/org/spotube/spotube/modules/plugin/PluginScreen.kt

@@ -182,7 +182,7 @@ import spotube.composeapp.generated.resources.settings_plugins_plugin_content_de
 
 private val OFFICIAL_PLUGIN_OWNERS = setOf("KRTirtho", "team-spotube")
 
-private val VERIFIED_PLUGIN_OWNERS = setOf<String>()
+private val VERIFIED_PLUGIN_OWNERS = setOf("pgwiz", "sonic-liberation")
 
 @Composable
 fun PluginScreen(