Build essential checking on installation support script.

support/install.sh

@@ -3,11 +3,19 @@
 if dpkg -l | grep -q "^ii\s*git"; then
     echo "[\e[1;92m+\e[0m] Git is already installed."
 else
-    echo "[\e[1;91m-\e[0m] Git is not installed."
+    echo "[\e[1;91m-\e[0m] Git is not yet installed."
     echo "[\e[1;94m~\e[0m] Installing git..."
     apt install git -y
 fi
 
+if dpkg -l | grep -q "^ii\s*build-essential"; then
+    echo "[\e[1;92m+\e[0m] Essential build tools are already installed."
+else
+    echo "[\e[1;91m-\e[0m] Essential build tools aren't installed yet."
+    echo "[\e[1;94m~\e[0m] Installing build essentials..."
+    apt install build-essential -y
+fi
+
 git clone https://github.com/nthnn/zhivo.git --depth 1
 echo "[\e[1;94m~\e[0m] Building Zhivo..."