Adding the .project files.

.gitignore

@@ -3,7 +3,7 @@
 *.war
 *.ear
 *.class
-.project
+
 .metadata
 bin
 tmp

.project

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>digital-twin-design</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

examples/oml/Drivetrain/.project

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Drivetrain</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>io.opencaesar.rosetta.oml.ui.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>io.opencaesar.rosetta.oml.ui.nature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>

examples/oml/SystemDesignOntology2Layers/.project

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>SystemDesignOntology2Layers</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>io.opencaesar.rosetta.oml.ui.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>io.opencaesar.rosetta.oml.ui.nature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>

examples/oml/simple_car/.project

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>simple_car</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>io.opencaesar.rosetta.oml.ui.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>io.opencaesar.rosetta.oml.ui.nature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>