added several tools for nvim

scripts/scripts/br_down.sh

@@ -9,10 +9,10 @@ mkdir -p "$SHADER_DIR"
 
 # Check if shader file exists, if not create with default brightness
 if [ ! -f "$SHADER_FILE" ]; then
-    CURRENT=1.0
+  CURRENT=1.0
 else
-    # Get current brightness multiplier
-    CURRENT=$(grep -oP 'pixColor.rgb \*= \K[0-9.]+' "$SHADER_FILE" | tail -1)
+  # Get current brightness multiplier
+  CURRENT=$(grep -oP 'pixColor.rgb \*= \K[0-9.]+' "$SHADER_FILE" | tail -1)
 fi
 
 # Calculate new brightness (decrease by 10%)
@@ -20,7 +20,7 @@ NEW=$(echo "$CURRENT * 0.90" | bc -l)
 
 # Cap at 0.1 to prevent complete darkness
 if (( $(echo "$NEW < 0.1" | bc -l) )); then
-    NEW=0.1
+  NEW=0.1
 fi
 
 # Format to 2 decimal places
@@ -29,7 +29,7 @@ NEW=$(printf "%.2f" "$NEW")
 # Check if blue light filter is currently enabled
 BLUELIGHT_ENABLED=false
 if [ -f "$SHADER_FILE" ] && grep -q "pixColor.b \*= 0.6" "$SHADER_FILE"; then
-    BLUELIGHT_ENABLED=true
+  BLUELIGHT_ENABLED=true
 fi
 
 # Recreate the shader file
@@ -44,30 +44,30 @@ uniform sampler2D tex;
 
 void main() {
     vec4 pixColor = texture(tex, v_texcoord);
-    
+
 EOF
 
 if [ "$BLUELIGHT_ENABLED" = true ]; then
-    cat >> "$SHADER_FILE" << EOF
+  cat >> "$SHADER_FILE" << EOF
     // Reduce blue light
     pixColor.r *= 1.0;
     pixColor.g *= 0.85;
     pixColor.b *= 0.6;
-    
+
 EOF
 fi
 
 cat >> "$SHADER_FILE" << EOF
     // Adjust brightness
     pixColor.rgb *= $NEW;
-    
+
     fragColor = pixColor;
 }
 EOF
 
 # Apply shader
 if [ -z "$HYPRLAND_INSTANCE_SIGNATURE" ]; then
-    export HYPRLAND_INSTANCE_SIGNATURE=$(ls -t /tmp/hypr/ 2>/dev/null | head -n1)
+  export HYPRLAND_INSTANCE_SIGNATURE=$(ls -t /tmp/hypr/ 2>/dev/null | head -n1)
 fi
 /usr/bin/hyprctl keyword decoration:screen_shader "$SHADER_FILE"