Create a new Symfony project

Using `symfony new` and Build Configs.

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

symfony/config/packages/cache.yaml

@@ -0,0 +1,19 @@
+framework:
+    cache:
+        # Unique name of your app: used to compute stable namespaces for cache keys.
+        #prefix_seed: your_vendor_name/app_name
+
+        # The "app" cache stores to the filesystem by default.
+        # The data in this cache should persist between deploys.
+        # Other options include:
+
+        # Redis
+        #app: cache.adapter.redis
+        #default_redis_provider: redis://localhost
+
+        # APCu (not recommended with heavy random-write workloads as memory fragmentation can cause perf issues)
+        #app: cache.adapter.apcu
+
+        # Namespaced pools use the above "app" backend by default
+        #pools:
+            #my.dedicated.cache: null

symfony/config/packages/framework.yaml

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+# see https://symfony.com/doc/current/reference/configuration/framework.html
+framework:
+    secret: '%env(APP_SECRET)%'
+
+    # Note that the session will be started ONLY if you read or write from it.
+    session: true
+
+    #esi: true
+    #fragments: true
+
+when@test:
+    framework:
+        test: true
+        session:
+            storage_factory_id: session.storage.factory.mock_file

symfony/config/packages/routing.yaml

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+framework:
+    router:
+        # Configure how to generate URLs in non-HTTP contexts, such as CLI commands.
+        # See https://symfony.com/doc/current/routing.html#generating-urls-in-commands
+        default_uri: '%env(DEFAULT_URI)%'
+
+when@prod:
+    framework:
+        router:
+            strict_requirements: null