feat: Add a config option for showing the sleep vignette

Thank you to [EnragedPotato](https://github.com/EnragedPotato) for the suggestion in #68.

common/src/main/java/io/github/steveplays28/stevesrealisticsleep/config/StevesRealisticSleepConfig.java

@@ -7,6 +7,9 @@
 
 @Config(name = StevesRealisticSleep.MOD_NAMESPACE)
 public class StevesRealisticSleepConfig implements ConfigData {
+	@ConfigEntry.Gui.Tooltip
+	public boolean showSleepVignette = true;
+
 	@ConfigEntry.Gui.Tooltip
 	public boolean sendDawnMessage = true;
 	@ConfigEntry.Gui.Tooltip

common/src/main/java/io/github/steveplays28/stevesrealisticsleep/mixin/client/gui/InGameHudMixin.java

@@ -0,0 +1,25 @@
+package io.github.steveplays28.stevesrealisticsleep.mixin.client.gui;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import io.github.steveplays28.stevesrealisticsleep.StevesRealisticSleep;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.client.gui.hud.InGameHud;
+import net.minecraft.client.network.ClientPlayerEntity;
+import org.jetbrains.annotations.NotNull;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Environment(EnvType.CLIENT)
+@Mixin(InGameHud.class)
+public class InGameHudMixin {
+	@WrapOperation(method = "render", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/network/ClientPlayerEntity;getSleepTimer()I"))
+	private int stevesrealisticsleep$cancelSleepVignetteIfDisabled(ClientPlayerEntity instance, @NotNull Operation<Integer> original) {
+		if (StevesRealisticSleep.config.showSleepVignette) {
+			return original.call(instance);
+		}
+
+		return -1;
+	}
+}

common/src/main/resources/assets/steves_realistic_sleep/lang/en_us.json

@@ -1,5 +1,7 @@
 {
   "text.autoconfig.steves_realistic_sleep.title": "Realistic Sleep Config",
+  "text.autoconfig.steves_realistic_sleep.option.showSleepVignette": "Show sleep vignette?",
+  "text.autoconfig.steves_realistic_sleep.option.showSleepVignette.@Tooltip": "Show the sleep vignette (dark overlay) while sleeping.",
   "text.autoconfig.steves_realistic_sleep.option.sendDawnMessage": "Send dawn message?",
   "text.autoconfig.steves_realistic_sleep.option.sendDawnMessage.@Tooltip": "Send a message to all players on the actionbar at dawn.",
   "text.autoconfig.steves_realistic_sleep.option.sendDuskMessage": "Send dusk message?",

common/src/main/resources/data/steves_realistic_sleep/lang/en_us.json

@@ -1,5 +1,7 @@
 {
   "text.autoconfig.steves_realistic_sleep.title": "Realistic Sleep Config",
+  "text.autoconfig.steves_realistic_sleep.option.showSleepVignette": "Show sleep vignette?",
+  "text.autoconfig.steves_realistic_sleep.option.showSleepVignette.@Tooltip": "Show the sleep vignette (dark overlay) while sleeping.",
   "text.autoconfig.steves_realistic_sleep.option.sendDawnMessage": "Send dawn message?",
   "text.autoconfig.steves_realistic_sleep.option.sendDawnMessage.@Tooltip": "Send a message to all players on the actionbar at dawn.",
   "text.autoconfig.steves_realistic_sleep.option.sendDuskMessage": "Send dusk message?",

common/src/main/resources/steves_realistic_sleep-common.mixins.json

@@ -12,5 +12,8 @@
   ],
   "injectors": {
     "defaultRequire": 1
-  }
+  },
+  "client": [
+    "client.gui.InGameHudMixin"
+  ]
 }