Add template files for languages, frameworks, IDEs, OS, and tools

src/templates/languages/dotnet.gitignore

@@ -0,0 +1,38 @@
+# .NET / C#
+*.dll
+*.exe
+*.exe.config
+*.pdb
+*.user
+*.userosscache
+*.suo
+
+# Build
+bin/
+obj/
+[Bb]in/
+[Oo]bj/
+.vs/
+
+# IDE
+.idea/
+*.iml
+*.ipr
+*.iws
+.vscode/
+*.swp
+*.swo
+
+# NuGet
+packages/
+*.nupkg
+
+# Database
+*.mdf
+*.ldf
+
+# Log
+*.log
+
+# Misc
+TestResults/