add intellij metadata files (#1378)

diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..7f80bff
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/dartdoc.iml" filepath="$PROJECT_DIR$/dartdoc.iml" />
+    </modules>
+  </component>
+</project>
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diff --git a/dartdoc.iml b/dartdoc.iml
new file mode 100644
index 0000000..0a3f899
--- /dev/null
+++ b/dartdoc.iml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <output url="file://$MODULE_DIR$/bin" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/lib" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/bin" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/testing" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/tool" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
+      <excludeFolder url="file://$MODULE_DIR$/doc" />
+      <excludeFolder url="file://$MODULE_DIR$/example/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/test/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/test/src/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package/build" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_bad/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_bad/build" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_bad/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_embedder_yaml/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_embedder_yaml/build" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_embedder_yaml/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_imported/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_imported/build" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_imported/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_small/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_small/build" />
+      <excludeFolder url="file://$MODULE_DIR$/testing/test_package_small/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/tool/packages" />
+    </content>
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Dart Packages" level="project" />
+    <orderEntry type="library" name="Dart SDK" level="project" />
+  </component>
+</module>
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