v1.1.3: Brickwall limiter + double-click reset on all knobs

- Output brickwall limiter (0 dB ceiling) with toggle in master row
- All sliders reset to default on double-click:
  Master gain → 0 dB, Freq → 1000 Hz, Gain → 0 dB, Q → 1.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Source/PluginEditor.h

@@ -39,16 +39,19 @@ private:
     NodeParameterPanel nodePanel;
 
     juce::Label titleLabel { {}, "INSTALPEQ" };
-    juce::Label versionLabel { {}, "v1.1.2" };
+    juce::Label versionLabel { {}, "v1.1.3" };
     juce::ToggleButton bypassToggle;
     juce::Label bypassLabel { {}, "BYPASS" };
 
     juce::TextButton newBandButton { "NEW BAND" };
     juce::ComboBox qualitySelector;
     juce::Label qualityLabel { {}, "FIR" };
+    juce::Label qualityWarning { {}, "" };
 
     juce::Slider masterGainSlider;
     juce::Label masterGainLabel { {}, "MASTER" };
+    juce::ToggleButton limiterToggle;
+    juce::Label limiterLabel { {}, "LIMITER" };
 
     juce::ComponentBoundsConstrainer constrainer;