Add github actions CI for windows build (#415)

.github/workflows/rust.yml

@@ -0,0 +1,42 @@
+name: RocksDB build
+
+on: [push, pull_request]
+
+jobs:
+  test-librocksdb-sys:
+    name: Test librocksdb-sys crate
+    runs-on:
+      - windows-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - name: Install dependencies
+        run: choco install llvm -y
+
+      - name: Run librocksdb-sys tests
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --manifest-path=librocksdb-sys/Cargo.toml
+
+  test-rocksdb:
+    name: Test rocksdb crate
+    runs-on:
+      - windows-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - name: Install dependencies
+        run: choco install llvm -y
+
+      - name: Run rocksdb tests
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: -- --skip test_iterator_outlive_db

.travis.yml

@@ -20,4 +20,4 @@ install:
 script:
   - cargo fmt --all -- --check
   - cargo test --manifest-path=librocksdb-sys/Cargo.toml
-  - cargo test
+  - cargo test -- --skip test_iterator_outlive_db

README.md

@@ -1,6 +1,7 @@
 rust-rocksdb
 ============
 [![Build Status](https://travis-ci.org/rust-rocksdb/rust-rocksdb.svg?branch=master)](https://travis-ci.org/rust-rocksdb/rust-rocksdb)
+![RocksDB build](https://github.com/rust-rocksdb/rust-rocksdb/workflows/RocksDB%20build/badge.svg?branch=master)
 [![crates.io](https://img.shields.io/crates/v/rocksdb.svg)](https://crates.io/crates/rocksdb)
 [![documentation](https://docs.rs/rocksdb/badge.svg)](https://docs.rs/rocksdb)
 [![license](https://img.shields.io/crates/l/rocksdb.svg)](https://github.com/rust-rocksdb/rust-rocksdb/blob/master/LICENSE)