Add project files.

Author: zka26

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false

TheseusGallery.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36811.4 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{8EC462FD-D22E-90A8-E5CE-7E832BA40C5D}"
+	ProjectSection(SolutionItems) = preProject
+		index.html = index.html
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "data", "data", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
+	ProjectSection(SolutionItems) = preProject
+		data\missions.json = data\missions.json
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "assets", "assets", "{C1F157CD-A339-4568-B9DB-7009F2BE02E5}"
+	ProjectSection(SolutionItems) = preProject
+		assets\app.js = assets\app.js
+		assets\mission.js = assets\mission.js
+		assets\styles.css = assets\styles.css
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{02EA681E-C7D8-13C7-8484-4AC65E1B71E8} = {8EC462FD-D22E-90A8-E5CE-7E832BA40C5D}
+		{C1F157CD-A339-4568-B9DB-7009F2BE02E5} = {8EC462FD-D22E-90A8-E5CE-7E832BA40C5D}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {44E21418-9E7E-4E8A-95E1-15ADA9A7F12A}
+	EndGlobalSection
+EndGlobal