Use package.json for SettingsGuide rather than SVGToolpathReader

Yeah I totally wrote this from scratch, guys. No copy-paste work here.

cmake/package.json.in

@@ -5,12 +5,12 @@
         "email": "[email protected]",
         "website": "https://github.com/Ghostkeeper"
     },
-    "description": "Allows reading SVG image files and lets the printer draw the outlines directly.",
-    "display_name": "SVG Toolpath Reader",
-    "package_id": "SVGToolpathReader",
+    "description": "Provides extra information and explanations about settings in Cura, with images and animations.",
+    "display_name": "${SETTINGSGUIDE_PLUGIN_NAME}",
+    "package_id": "SettingsGuide",
     "package_type": "plugin",
-    "package_version": "${SVGTOOLPATHREADER_VERSION_MAJOR}.${SVGTOOLPATHREADER_VERSION_MINOR}.${SVGTOOLPATHREADER_VERSION_PATCH}",
+    "package_version": "${SETTINGSGUIDE_VERSION_MAJOR}.${SETTINGSGUIDE_VERSION_MINOR}.${SETTINGSGUIDE_VERSION_PATCH}",
     "sdk_version": 5,
     "sdk_version_semver": "${sdk_version}",
-    "website": "https://github.com/Ghostkeeper/SVGToolpathReader"
+    "website": "https://github.com/Ghostkeeper/SettingsGuide"
 }