Add quickstart example from README as compilable sub-config

.gitignore

@@ -1,6 +1,7 @@
-poodinis.exe
+/poodinis.exe
-poodinis.lib
+/poodinis.lib
-poodinis.obj
+/poodinis.obj
+/quickstartExample.exe
 /.settings
 /.dub
 /dub.selections.json

.travis.yml

@@ -2,3 +2,4 @@ language: d
 
 script:
   - dub test --build=unittest --config=unittest
+  - dub build --build=release --config=quickstartExample

dub.json

@@ -30,6 +30,19 @@
 			"dflags-dmd": [
 				"-main"
 			]
+		},
+		{
+			"name" : "quickstartExample",
+			"description" : "Quickstart example from the Poodinis readme.",
+			"license": "MIT",
+			"targetType": "executable",
+			"targetName": "quickstartExample",
+			"sourcePaths": [
+				"example/quickstart"
+			],
+			"importPaths": [
+				"source"
+			]
 		}
 	]
 }

example/quickstart/app.d

@@ -0,0 +1,17 @@
+import poodinis.dependency;
+
+interface Database{};
+class RelationalDatabase : Database {}
+
+class DataWriter {
+	@Autowire
+	public Database database; // Automatically injected when class is resolved
+}
+
+void main() {
+	auto container = DependencyContainer.getInstance();
+	container.register!DataWriter;
+	container.register!(Database, RelationalDatabase);
+
+	auto writer = container.resolve!DataWriter;
+}