docs: add gradle usage and supported platforms

Author: silenium-dev

README.md

@@ -10,3 +10,43 @@ Artifacts can be found here: https://reposilite.silenium.dev/#/releases/dev/sile
 - Kotlin wrapper to load the dynamic ffmpeg libraries into JNI
 - zipped builds that contain all output files produced by the build, can be used to link your own code against
 - platform naming scheme and detection is provided by https://github.com/silenium-dev/jni-utils
+
+## Use in a Gradle project
+
+```kotlin
+repositories {
+    maven("https://reposilite.silenium.dev/releases") {
+        name = "silenium-releases"
+    }
+}
+
+dependencies {
+    implementation("dev.silenium.libs.ffmpeg:ffmpeg-natives:7.0+0.2.0")
+    implementation("dev.silenium.libs.ffmpeg:ffmpeg-natives-linux-x86_64:7.0+0.2.0") // replace "linux-x86_64" with your platform
+}
+```
+
+## Platforms
+
+### Supported
+
+- Linux arm64/aarch64
+- Linux armv7/armhf
+- Linux x86_64/amd64
+- Linux x86/i686
+- Linux ppc64le
+
+### Planned
+
+- Android arm64/aarch64
+- Android armv7/armhf
+- Android x86_64/amd64
+- Android x86/i686
+- Windows x86_64/amd64
+- Windows x86/i686
+
+### Not planned / low priority
+
+- macOS x86_64/amd64
+- macOS arm64/aarch64
+- macOS x86/i686