Rework .gitignore

- Include anything from the github C++ template
- Add vscode/ project folder
- guess that most vscode students will name their build folder "build"

.gitignore

@@ -1,2 +1,40 @@
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+# IDE Stuff
 .idea/
-cmake-build-*
+.vscode/
+
+# Build folders
+cmake-build-*/
+build/