update

htmlcalc/.idea/misc.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="MavenImportPreferences">
-    <option name="generalSettings">
-      <MavenGeneralSettings>
-        <option name="localRepository" value="$USER_HOME$/Downloads/apache-maven-3.3.9/repo" />
-        <option name="mavenHome" value="$USER_HOME$/Downloads/apache-maven-3.3.9" />
-        <option name="userSettingsFile" value="$USER_HOME$/.m2/settings.xml" />
-      </MavenGeneralSettings>
-    </option>
-  </component>
-  <component name="ProjectRootManager">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ProjectJDKs.UI">
-        <settings>
-          <last-edited>1.8</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
-</project>
\ No newline at end of file

htmlcalc/.idea/modules.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/htmlcalc.iml" filepath="$PROJECT_DIR$/htmlcalc.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file

htmlcalc/htmlcalc.iml

-<?xml version="1.0" encoding="UTF-8"?>
-<module type="WEB_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file