Add interactive CLI (#20)

* Start work on proper CLI

* native: Remove dependency on RFD

* Move filer module to top level

* Centralise clap dependency

* native: Support zips and validate directories

* native: Display message after generating

* Move single-file cli module to top level

* Change TUI -> CLI in README

* Update GH workflows to also build for native target

* github: Fix OS matrix in native build workflow

* github: Don't fail fast if one OS fails

* native: Fix compilation on unix

* cli: Clean up code, add progress spinner

.github/workflows/build_native.yml

@@ -0,0 +1,15 @@
+name: Build native
+on: [push, pull_request]
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build
+        run: cargo build --verbose
+      - name: Test
+        run: cargo test --verbose

.github/workflows/build.yml → .github/workflows/build_web.yml

@@ -1,4 +1,4 @@
-name: Build
+name: Build web
 on: [push, pull_request]
 permissions:
   contents: write