Expand gitignore to cover files created by Visual Micro (espressif#2934)

* Expand gitignore to cover files created by Visual Micro's Arduino IDE for Visual Studio

(cherry picked from commit d6209c7)

* Also ignore VS project files

(cherry picked from commit e0ec212)

Author: dok-net

.gitignore

@@ -5,3 +5,10 @@ tools/esptool.exe
 tools/mkspiffs/mkspiffs
 tools/mkspiffs/mkspiffs.exe
 .DS_Store
+ 
+#Ignore files built by Visual Studio/Visual Micro
+[Dd]ebug*/
+[Rr]elease*/
+.vs/
+__vm/
+*.vcxproj*