Update gitignore and makefile output

.gitignore

-a4
+###
+ # GitIgnore file for C Language projects.
+ # See https://git-scm.com/docs/gitignore for documentation.
+ #
+ # Version 1.0
+ ##
+
+
+# Ignore environment settings.
+.vs/
+.vscode/
+vs/
+vscode/
+
+
+# Ignore temporary files.
+[Tt]emp/
+[Tt]empfiles/
+[Tt]emp_files/
+*.tmp
+*.temp
+
+
+# Ignore compiled files.
+*.o
+*.obj
+*.out
+
+
+# Ignore logfiles.
+[Ll]og/
+[Ll]ogs/
+*.log
+*.log.*

makefile

 all:
-	gcc -Wall -Wpedantic -std=c99 *.c -g -o a4 -pthread
+	gcc -Wall -Wpedantic -std=c99 *.c -g -o a4.out -pthread