Create build workflow

.github/workflows/build.yml

@@ -0,0 +1,25 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+
+      - name: Setup .NET SDK
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: "6.0.x"
+
+      - name: Setup JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: "temurin"
+          java-version: "17"
+
+      - name: Build with Gradle
+        run: gradlew build

build.gradle

@@ -37,7 +37,14 @@ dependencies {
     modRuntimeOnly "maven.modrinth:modmenu:7.2.1"
 }
 
+task buildWinForms(type: Exec) {
+    workingDir "WinForms/"
+    commandLine "cmd", "/c", "dotnet build --configuration Release"
+}
+
 task copyWinFormsFiles(type: Copy) {
+    dependsOn(buildWinForms)
+
     from "WinForms/bin/Release/net6.0-windows"
     into "src/main/resources/assets/cursedsodiumconfig/WinForms"
     include "*.exe", "*.dll", "*.json"