chore: support devcontainer development (#220)

We add a devcontainer and Dockerfile to do local develpoment in
IntelliJ. We also add a Makefile wtih the common dev targets.

.devcontainer/Dockerfile

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+FROM mcr.microsoft.com/devcontainers/php:8.1-bookworm
+
+RUN pecl install grpc protobuf && docker-php-ext-enable grpc protobuf

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/php
+{
+	"name": "PHP",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"dockerFile": "Dockerfile",
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	"features": {
+    },
+
+	// Configure tool-specific properties.
+
+    "customizations" : {
+        "jetbrains" : {
+            "backend" : "IntelliJ",
+            "plugins": ["com.jetbrains.php"],
+        }
+    },
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [8080],
+
+    "containerEnv": {
+        "MOMENTO_API_KEY": "${localEnv:MOMENTO_API_KEY}"
+    },
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "sudo chmod a+x \"$(pwd)\" && sudo rm -rf /var/www/html && sudo ln -s \"$(pwd)\" /var/www/html"
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

Makefile

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+.PHONY: install lint-check lint test
+
+install:
+	@echo "Installing dependencies..."
+	@composer install
+
+lint-check:
+	@echo "Checking code style..."
+	@php vendor/bin/php-cs-fixer fix --diff --dry-run --show-progress=none
+
+lint:
+	@echo "Fixing code style..."
+	@php vendor/bin/php-cs-fixer fix --diff --show-progress=none
+
+test:
+	@echo "Running tests..."
+	@php vendor/phpunit/phpunit/phpunit --configuration phpunit.xml