add swaylock.sh script

it uses fork of swaylock called swaylock-effects

bin/swaylock.sh

@@ -0,0 +1,13 @@
+#! /bin/bash
+
+swaylock \
+	--screenshots \
+	--indicator \
+	--indicator-radius 100 \
+	--indicator-thickness 7 \
+	--clock \
+	--ring-color ffeced \
+	--key-hl-color 0291ff \
+	--effect-blur 7x5 \
+	--effect-vignette 0.5:0.5 \
+	--fade-in 0.2