Clear terminal and show header to make build output clearer

build.sh

@@ -1,21 +1,44 @@
 #!/usr/bin/env sh
 
+clear
+
+header() {
+
+    echo ""
+    echo ""
+    echo "================================================================================"
+    echo "================================================================================"
+    echo "  [[ $1 ]]"
+    echo "================================================================================"
+    echo "================================================================================"
+    echo ""
+    echo ""
+}
+
 if [ $1 = "build" ]; then
+    header "Building"
+
     make main -B
 
 elif [ $1 = "run" ]; then
+    header "Running"
+
     make main
     ./output/main 5000 ./library
 
 elif [ $1 = "debug" ]; then
+    header "Debugging"
+
     make main
     gf2 ./output/main
 
 elif [ $1 = "clean" ]; then
+    header "Cleaning"
+
     rm -rf ./output/
 
 else
-    echo "Invalid command."
+    header "Invalid command."
 
 fi