Migrate to github actions.

.github/workflows/build.yml

@@ -0,0 +1,47 @@
+name: Build
+on: [push]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: Install Rust stable
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - name: Install Rust nightly
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          default: true
+
+      - name: Install wasm32
+        uses: actions-rs/toolchain@v1
+        with:
+          target: wasm32-unknown-unknown
+          toolchain: nightly
+
+      - uses: actions/cache@v2
+        with:
+          path: target/
+          key: ${{ runner.os }}-rust-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-rust-
+
+      - name: Module tests
+        run: ./scripts/test.sh
+
+      - name: Build binary
+        run: cargo build --release
+
+      - name: Save binary
+        uses: actions/upload-artifact@v2
+        with:
+          name: edgeware
+          path: target/release/edgeware

.gitignore

@@ -20,4 +20,5 @@ db
 node_modules
 forker-data
 beresheet-state.json
-build
+build
+*yalc*