Add Initial App Scaffold (#1)

Prototype hacked together for pathfinding.

Author: duncanam

.github/workflows/ci.yml

@@ -0,0 +1,27 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+      - uses: Swatinem/rust-cache@v2
+      - name: Format
+        run: cargo fmt --all -- --check
+      - name: Clippy
+        run: cargo clippy --all-targets -- -D warnings
+      - name: Test
+        run: cargo test

.gitignore

@@ -0,0 +1,3 @@
+/target
+/preview
+.DS_Store