added themes, niri waybar updat, nvim plugins updates and additions

hypr/.config/hypr/shaders/brightness.frag

@@ -0,0 +1,16 @@
+#version 300 es
+
+precision mediump float;
+
+in vec2 v_texcoord;
+out vec4 fragColor;
+uniform sampler2D tex;
+
+void main() {
+    vec4 pixColor = texture(tex, v_texcoord);
+    
+    // Adjust brightness
+    pixColor.rgb *= 1.00;
+    
+    fragColor = pixColor;
+}