Merge pull request #2260 from soerendomroes/sdo/ideaLSRunConfiguration

IntelliJ run config to start the LS

.run/LanguageDiagramServer.run.xml

@@ -0,0 +1,16 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="LanguageDiagramServer" type="Application" factoryName="Application">
+    <option name="MAIN_CLASS_NAME" value="org.lflang.diagram.lsp.LanguageDiagramServer" />
+    <module name="org.lflang.lsp.main" />
+    <option name="VM_PARAMETERS" value="-Dport=7670 -Djava.awt.headless=true" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="org.lflang.diagram.lsp.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>