hyprlock: add config + swap install.sh away from gtklock

Adds hyprlock/hyprlock.conf with Tomorrow Night colors, replaces gtklock
with hyprlock in packages.txt, and updates install.sh to symlink
hyprlock.conf into ~/.config/hypr/ instead of the old gtklock symlinks.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

hyprlock/hyprlock.conf

@@ -0,0 +1,50 @@
+general {
+    grace = 0
+    hide_cursor = true
+}
+
+background {
+    monitor =
+    path = screenshot
+    blur_passes = 3
+    blur_size = 8
+}
+
+label {
+    monitor =
+    text = cmd[update:1000] date +"%-I:%M %p"
+    font_size = 96
+    color = rgba(c5c8c6ff)
+    position = 0, 150
+    halign = center
+    valign = center
+}
+
+label {
+    monitor =
+    text = cmd[update:60000] date +"%A, %B %-d"
+    font_size = 24
+    color = rgba(969896ff)
+    position = 0, 40
+    halign = center
+    valign = center
+}
+
+input-field {
+    monitor =
+    size = 300, 50
+    outline_thickness = 2
+    dots_size = 0.25
+    dots_spacing = 0.4
+    inner_color = rgba(282a2eff)
+    outer_color = rgba(81a2beff)
+    font_color = rgba(c5c8c6ff)
+    fail_color = rgba(cc6666ff)
+    check_color = rgba(b5bd68ff)
+    placeholder_text = <i>Touch fingerprint or type password</i>
+    fail_text = <i>$FAIL</i>
+    fade_on_empty = false
+    position = 0, -50
+    halign = center
+    valign = center
+}