Add Github Workflow for Gradle Wrapper Validation (#1207)

diff --git a/.github/workflows/gradle-wrapper-validation.yml b/.github/workflows/gradle-wrapper-validation.yml
new file mode 100644
index 0000000..fad7221
--- /dev/null
+++ b/.github/workflows/gradle-wrapper-validation.yml
@@ -0,0 +1,11 @@
+name: "Validate Gradle Wrapper"
+on: [push, pull_request]
+
+jobs:
+  validation:
+    name: "Validation"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gradle/wrapper-validation-action@v1
+