Add initial project files and implement CameraController and World classes

.idea/.idea.Frontiers/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/projectSettingsUpdater.xml
+/.idea.Frontiers.iml
+/modules.xml
+/contentModel.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/.idea.Frontiers/.idea/.name

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+Frontiers

.idea/.idea.Frontiers/.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>

.idea/.idea.Frontiers/.idea/indexLayout.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.Frontiers/.idea/libraries/GdSdk_Master.xml

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+<component name="libraryTable">
+  <library name="GdSdk Master" type="GdScript">
+    <properties path="$PROJECT_DIR$/../Library/Caches/JetBrains/Rider2025.1/projects/.idea.frontiers.5687bf8b/sdk/GdSdk Master" version="Master" date="2024-06-01T15:14:16.000+02:00" />
+    <CLASSES />
+    <JAVADOC />
+    <SOURCES>
+      <root url="file://$PROJECT_DIR$/../Library/Caches/JetBrains/Rider2025.1/projects/.idea.frontiers.5687bf8b/sdk/GdSdk Master" />
+    </SOURCES>
+  </library>
+</component>

.idea/.idea.Frontiers/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>