create PackageManifest.kt and get test working

.idea/artifacts/api_jvm.xml

@@ -0,0 +1,8 @@
+<component name="ArtifactManager">
+  <artifact type="jar" name="api-jvm">
+    <output-path>$PROJECT_DIR$/api/build/libs</output-path>
+    <root id="archive" name="api-jvm.jar">
+      <element id="module-output" name="planterette.api.jvmMain" />
+    </root>
+  </artifact>
+</component>

.idea/dictionaries/project.xml

@@ -0,0 +1,8 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="project">
+    <words>
+      <w>buildsrc</w>
+      <w>planterette</w>
+    </words>
+  </dictionary>
+</component>

.idea/gradle.xml

@@ -1,10 +1,32 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <compositeConfiguration>
+          <compositeBuild compositeDefinitionSource="SCRIPT">
+            <builds>
+              <build path="$PROJECT_DIR$/buildSrc" name="buildSrc">
+                <projects>
+                  <project path="$PROJECT_DIR$/buildSrc" />
+                </projects>
+              </build>
+            </builds>
+          </compositeBuild>
+        </compositeConfiguration>
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleHome" value="" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/api" />
+            <option value="$PROJECT_DIR$/buildSrc" />
+            <option value="$PROJECT_DIR$/cli" />
+            <option value="$PROJECT_DIR$/daemon" />
+            <option value="$PROJECT_DIR$/gui" />
+          </set>
+        </option>
       </GradleProjectSettings>
     </option>
   </component>

.idea/kotlinc.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Kotlin2JsCompilerArguments">
+    <option name="moduleKind" value="plain" />
+  </component>
+  <component name="Kotlin2JvmCompilerArguments">
+    <option name="jvmTarget" value="1.8" />
+  </component>
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="2.2.0" />
+  </component>
+</project>