Added integration tests from integration-test repo.

Author: robinheghan

integration-tests/.gitignore

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+.DS_Store

integration-tests/http-client/.gitignore

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+app
+.gren
+node_modules/

integration-tests/http-client/Makefile

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+app: Makefile gren.json node_modules
+	npx gren make --optimize src/Main.gren --output=bin/app
+
+.PHONY: test
+test: app node_modules
+	npm test
+
+node_modules: package.json package-lock.json
+	npm install
+
+.PHONY: clean
+clean:
+	rm -rf .gren
+	rm -rf node_modules
+	rm bin/app

integration-tests/http-client/bin/.gitkeep

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+{
+    "type": "application",
+    "platform": "node",
+    "source-directories": [
+        "src"
+    ],
+    "gren-version": "0.5.3",
+    "dependencies": {
+        "direct": {
+            "gren-lang/core": "6.0.0",
+            "gren-lang/node": "local:../.."
+        },
+        "indirect": {
+            "gren-lang/url": "5.0.0"
+        }
+    }
+}