feat(web): add mobile swipe gestures to image gallery

Install react-swipeable and wire useSwipeable onto the main image
container — left-swipe advances to next image, right-swipe goes back.
Gestures only activate when there are multiple images; desktop button
navigation is fully preserved.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

pnpm-lock.yaml

@@ -168,6 +168,9 @@ importers:
       class-validator:
         specifier: ^0.15.1
         version: 0.15.1
+      cockatiel:
+        specifier: ^3.2.1
+        version: 3.2.1
       cookie-parser:
         specifier: ^1.4.7
         version: 1.4.7
@@ -4043,6 +4046,10 @@ packages:
     resolution: {integrity: sha512-RMr0FhtfXemyinomL4hrWcYJxmX6deFdCxpJzhDttxgO1+bcCnkk+9drydLVDmAMG7NE6aN/fl4F7ucU/90gAA==}
     engines: {node: '>=0.10.0'}
 
+  cockatiel@3.2.1:
+    resolution: {integrity: sha512-gfrHV6ZPkquExvMh9IOkKsBzNDk6sDuZ6DdBGUBkvFnTCqCxzpuq48RySgP0AnaqQkw2zynOFj9yly6T1Q2G5Q==}
+    engines: {node: '>=16'}
+
   color-convert@2.0.1:
     resolution: {integrity: sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==}
     engines: {node: '>=7.0.0'}
@@ -11440,6 +11447,8 @@ snapshots:
 
   cluster-key-slot@1.1.2: {}
 
+  cockatiel@3.2.1: {}
+
   color-convert@2.0.1:
     dependencies:
       color-name: 1.1.4