Add shaders

Sources/Shaders/EnviroLitParticles.shader

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+Shader "Enviro/Particles/Lit Weather" {
+	Properties{
+		_TintColor("Tint Color", Color) = (1,1,1,1)
+		_MainTex("Particle Texture", 2D) = "white" {}
+		_Intensity("Intensity", Range(1,100)) = 10
+
+	}
+		SubShader{
+		Tags{ "RenderType" = "Transparent" "Queue" = "Transparent" }
+		LOD 200
+
+		CGPROGRAM
+		#pragma surface surf Standard alpha:fade finalcolor:ApplyFog
+		#pragma target 3.0
+
+		sampler2D _MainTex;
+#include "../../Resources/Shaders/Core/EnviroFogCore.cginc"
+	struct Input {
+		float2 uv_MainTex;
+		fixed4 color : COLOR;
+		float4 screenPos;
+		float3 worldPos;
+	};
+
+	fixed4 _TintColor;
+	float _Intensity;
+
+	void ApplyFog(Input IN, SurfaceOutputStandard o, inout fixed4 color)
+	{
+		//Get ScreenPosition
+		float3 uvscreen = IN.screenPos.xyz / IN.screenPos.w;
+		// Calculate Linear Depth
+		half linear01Depth = Linear01Depth(uvscreen.z);
+		//get World Position
+		float3 wPos = IN.worldPos.xyz;
+		// Calculate Fog and apply volume lighting tex
+		float4 fogClr = TransparentFog(color, wPos, uvscreen.xy, linear01Depth);
+
+#if _ALPHAPREMULTIPLY_ON
+		fogClr.rgb *= o.Alpha;
+#endif
+
+#ifndef UNITY_PASS_FORWARDADD
+		color.rgb = fogClr.rgb;
+#endif
+	}
+
+	void surf(Input IN, inout SurfaceOutputStandard o) {
+		fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * (IN.color * _TintColor);
+		o.Albedo = c.rgb * _Intensity;
+		o.Alpha = c.a;
+	}
+	ENDCG
+	}
+		FallBack "Diffuse"
+}