Initial project setup with basic plugin structure

- Created plugin.toml with metadata
- Added main command script
- Implemented core functions
- Added basic tests
- Created README.md
- Set up project structure

tests/docker-compose.bats

@@ -0,0 +1,63 @@
+#!/usr/bin/env bats
+
+load 'test_helper/bats-support/load'
+load 'test_helper/bats-assert/load'
+load 'test_helper/bats-file/load'
+
+# Set up test environment
+setup() {
+  # Create a temporary directory for tests
+  TEST_DIR=$(mktemp -d)
+  cd "$TEST_DIR" || exit 1
+  
+  # Create a simple docker-compose.yml for testing
+  cat > docker-compose.yml <<EOF
+version: '3.8'
+services:
+  web:
+    image: nginx:alpine
+    ports:
+      - "80:80"
+  db:
+    image: postgres:13
+    environment:
+      POSTGRES_PASSWORD: example
+EOF
+}
+
+# Clean up after tests
+teardown() {
+  if [ -d "$TEST_DIR" ]; then
+    rm -rf "$TEST_DIR"
+  fi
+}
+
+@test "plugin is installed" {
+  run dokku plugin:installed docker-compose
+  assert_success
+}
+
+@test "help command works" {
+  run dokku docker-compose:help
+  assert_success
+  assert_output --partial "Manage Docker Compose deployments in Dokku"
+}
+
+@test "version command works" {
+  run dokku docker-compose:version
+  assert_success
+  assert_output --partial "dokku-docker-compose"
+}
+
+@test "import command with dry run" {
+  run dokku docker-compose:import --dry-run
+  assert_success
+  assert_output --partial "Dry run: Would import"
+}
+
+@test "fails with invalid compose file" {
+  echo "invalid yaml" > docker-compose.yml
+  run dokku docker-compose:import
+  assert_failure
+  assert_output --partial "Invalid compose file"
+}