bootstrap: lsd: feat: Add check if lsd is installed

.config/yadm/bootstrap.d/lsd.sh

@@ -1,4 +1,7 @@
-if [[ "$OSNAME" == "Linux" ]]; then
+if ! command -v lsd &> /dev/null; then
+    echo 'Installing lsd'
+
+    if [[ "$OSNAME" == "Linux" ]]; then
         # Linux
         if [[ "DISTRO_TYPE" == "debian" ]]; then
             # Debian-based
@@ -10,12 +13,16 @@ if [[ "$OSNAME" == "Linux" ]]; then
             echo 'ERROR: Unknown distro'
             echo 'Exiting...'
             exit 1
-elif [[ "$OSNAME" == "macOS" ]]; then
+        fi
+    elif [[ "$OSNAME" == "macOS" ]]; then
         # macOS
         brew install lsd
-else
+    else
         # Unknown
         echo 'ERROR: Unknown OS'
         echo 'Exiting...'
         exit 1
+    fi
 fi
+
+echo 'lsd is installed'