feat(calendarium@kami911): move Appearance settings to their own tab

The Appearance section (icon size, text scale, background opacity,
border) was the last section on the crowded General page. Give it a
dedicated "Appearance" settings page, between Location and Wikipedia.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PNasJnrStmVjJgJ8MULzcG

Author: KAMI911

calendarium@kami911/files/calendarium@kami911/po/calendarium@kami911.pot

@@ -398,6 +398,7 @@ msgstr ""
 msgid "Wikipedia (Internet Required)"
 msgstr ""
 
+#. settings-schema.json->page-appearance->title
 #. settings-schema.json->section-appearance->title
 msgid "Appearance"
 msgstr ""

calendarium@kami911/files/calendarium@kami911/po/hu.po

@@ -401,6 +401,7 @@ msgstr "Névnapok"
 msgid "Wikipedia (Internet Required)"
 msgstr "Wikipédia (Internet szükséges)"
 
+#. settings-schema.json->page-appearance->title
 #. settings-schema.json->section-appearance->title
 msgid "Appearance"
 msgstr "Megjelenés"

calendarium@kami911/files/calendarium@kami911/settings-schema.json

@@ -1,7 +1,7 @@
 {
     "settingsLayout": {
         "type": "layout",
-        "pages": ["page-general", "page-location", "page-wikipedia"],
+        "pages": ["page-general", "page-location", "page-appearance", "page-wikipedia"],
 
         "page-general": {
             "type": "page",
@@ -16,8 +16,7 @@
                 "section-sun",
                 "section-zodiac",
                 "section-namedays",
-                "section-altcal",
-                "section-appearance"
+                "section-altcal"
             ]
         },
 
@@ -27,6 +26,12 @@
             "sections": ["section-location"]
         },
 
+        "page-appearance": {
+            "type": "page",
+            "title": "Appearance",
+            "sections": ["section-appearance"]
+        },
+
         "page-wikipedia": {
             "type": "page",
             "title": "Wikipedia",