Add uniffi based binding support

Author: johncantrell97

.gitignore

@@ -1,3 +1,24 @@
 /target
 Cargo.lock
 /.claude
+/bindings/uniffi-bindgen/target
+
+# Ignore generated swift related files
+.swiftpm/
+OrangeSDKFFI.*
+orange_sdk.swift
+liborange_sdk.dylib
+OrangeSDK.swift
+OrangeSDK.swiftmodule
+swift.swiftsourceinfo
+swift.abi.json
+swift.swiftdoc
+
+# Ignore OrangeSDKFFI.xcframework files
+/bindings/swift/OrangeSDKFFI.xcframework
+/bindings/kotlin/orange-sdk-android/lib/src/main/jniLibs
+/bindings/kotlin/orange-sdk-android/lib/src/main/kotlin/org/lightningdevkit/orangesdk/orange_sdk.kt
+/bindings/kotlin/orange-sdk-jvm/lib/src/main/kotlin/org/lightningdevkit/orangesdk/orange_sdk.kt
+/bindings/kotlin/orange-sdk-jvm/lib/src/main/resources/
+
+/bindings/python/src/orange_sdk/orange_sdk.py

Cargo.toml

@@ -3,6 +3,14 @@ members = [
     "orange-sdk",
     "graduated-rebalancer",
     "examples/cli",
+    "bindings/uniffi-bindgen",
 ]
 default-members = ["orange-sdk"]
 resolver = "2"
+
+[profile.release-smaller]
+inherits = "release"
+opt-level = 'z'     # Optimize for size.
+lto = true          # Enable Link Time Optimization
+codegen-units = 1   # Reduce number of codegen units to increase optimizations.
+panic = 'abort'     # Abort on panic

bindings/kotlin/orange-sdk-android/.gitattributes

@@ -0,0 +1,9 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# Linux start script should use lf
+/gradlew        text eol=lf
+
+# These are Windows script files and should use crlf
+*.bat           text eol=crlf
+

bindings/kotlin/orange-sdk-android/.gitignore

@@ -0,0 +1,5 @@
+# Ignore Gradle project-specific cache directory
+.gradle
+
+# Ignore Gradle build output directory
+build

bindings/kotlin/orange-sdk-android/build.gradle.kts

@@ -0,0 +1,18 @@
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath("com.android.tools.build:gradle:7.1.2")
+    }
+}
+
+plugins {
+}
+
+// library version is defined in gradle.properties
+val libraryVersion: String by project
+
+group = "org.lightningdevkit"
+version = libraryVersion

bindings/kotlin/orange-sdk-android/gradle.properties

@@ -0,0 +1,5 @@
+org.gradle.jvmargs=-Xmx1536m
+android.useAndroidX=true
+android.enableJetifier=true
+kotlin.code.style=official
+libraryVersion=0.1.0

bindings/kotlin/orange-sdk-android/gradle/wrapper/gradle-wrapper.jar

@@ -0,0 +1,6 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+networkTimeout=10000
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists