add katago engine project and module

.gitignore

@@ -3,6 +3,11 @@
 /.idea
 .DS_Store
 /build
+.cxx
+CMakeCache.txt
+CMakeFiles
+CMakeLists.txt
+ThirdPartyTlsLibrary
 /app/app.iml
 /app/.externalNativeBuild
 /app/.cxx

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "katago"]
+	path = engine/katago/src
+	url = https://github.com/lightvector/KataGo

engine/katago/build.gradle.kts

@@ -0,0 +1,50 @@
+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "io.zenandroid.onlinego.engine.katago"
+    compileSdk = 34
+
+    defaultConfig {
+        minSdk = 21
+
+        externalNativeBuild {
+            cmake {
+                arguments(
+                    "-DUSE_BACKEND=EIGEN",
+                    "-DANDROID_ARM_NEON=TRUE",
+                    "-DEigen3_DIR=/usr/share/eigen3/cmake/",
+                )
+                cFlags("-fexceptions", "-frtti")
+                cppFlags(
+                    "-D__STDC_FORMAT_MACROS",
+                    "-DBYTE_ORDER=LITTLE_ENDIAN")
+            }
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+        }
+    }
+    externalNativeBuild {
+        cmake {
+            path("src/cpp/CMakeLists.txt")
+            version = "3.22.1"
+            buildStagingDirectory = file("${buildDir}/bin")
+        }
+    }
+}
+
+dependencies {
+  //implementation("androidx.core:core-ktx:1.9.0")
+  //implementation(platform("org.jetbrains.kotlin:kotlin-bom:1.8.0"))
+  //implementation("androidx.appcompat:appcompat:1.6.1")
+  //implementation("com.google.android.material:material:1.10.0")
+  //testImplementation("junit:junit:4.13.2")
+  //androidTestImplementation("androidx.test.ext:junit:1.1.5")
+  //androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+}

settings.gradle

@@ -1 +1,2 @@
 include ':app'
+include ':engine:katago'