Add holidays pack

- Add holiday themes, palettes, and emojis

- Add holidays option and layout selection in installers

- Update context JSONs for holiday pack

.context.json

@@ -38,10 +38,11 @@
       "sources_from": "/etc/bash.bashrc",
       "prompts": [
         "PS1 only / Banner only / Both",
-        "PS1 mode: Single season / Dynamic / Contest (if PS1 selected)",
+        "PS1 mode: Single season / Dynamic / Contest / Holidays (if PS1 selected)",
         "Season pick (if single season)",
-        "Contest layout selection (if contest)",
-        "Style preset selection (if contest)"
+        "Contest layout selection (if contest/holidays)",
+        "Style preset selection (if contest)",
+        "Holiday selection (if holidays)"
       ],
       "season_config_file": "/etc/ps1-season",
       "style_config_file": "/etc/ps1-style",
@@ -58,10 +59,11 @@
         "~/.bash_profile"
       ],
       "prompts": [
-        "PS1 mode: Single season / Dynamic / Contest",
+        "PS1 mode: Single season / Dynamic / Contest / Holidays",
         "Season pick (if single season)",
-        "Contest layout selection (if contest)",
-        "Style preset selection (if contest)"
+        "Contest layout selection (if contest/holidays)",
+        "Style preset selection (if contest)",
+        "Holiday selection (if holidays)"
       ],
       "season_config_file": "~/.config/ps1/season",
       "style_config_file": "~/.config/ps1/style"
@@ -162,11 +164,12 @@
       }
     ],
     "config": {
-      "env": "PS1_STYLE=aurora|neon|forge|circuit|mono; PS1_STYLE_PACK=standard|contest; PS1_CONTEST_LAYOUT=day-time-user|user-time|time-user|day-time",
+      "env": "PS1_STYLE=aurora|neon|forge|circuit|mono; PS1_STYLE_PACK=standard|contest|holiday; PS1_CONTEST_LAYOUT=day-time-user|user-time|time-user|day-time; PS1_HOLIDAY=christmas|easter|halloween|valentine|thanksgiving|newyear",
       "config_file_keys": [
         "PS1_STYLE",
         "PS1_STYLE_PACK",
-        "PS1_CONTEST_LAYOUT"
+        "PS1_CONTEST_LAYOUT",
+        "PS1_HOLIDAY"
       ]
     }
   },
@@ -263,6 +266,110 @@
       "evening": "🎛️",
       "night": "🕶️"
     },
+    "holiday_accents": {
+      "christmas": {
+        "sunrise": [
+          "🎄",
+          "🎅",
+          "❄️",
+          "⛄"
+        ],
+        "work": [
+          "🎁",
+          "🧤",
+          "🧣",
+          "🦌"
+        ],
+        "coffee": "☕",
+        "evening": "🌟",
+        "night": "🕯️"
+      },
+      "easter": {
+        "sunrise": [
+          "🐣",
+          "🥚",
+          "🌷",
+          "🌤"
+        ],
+        "work": [
+          "🐰",
+          "🌼",
+          "🧺",
+          "🍫"
+        ],
+        "coffee": "☕",
+        "evening": "🌅",
+        "night": "🌙"
+      },
+      "halloween": {
+        "sunrise": [
+          "🎃",
+          "🦇",
+          "🌕",
+          "🕸️"
+        ],
+        "work": [
+          "👻",
+          "💀",
+          "🕯️",
+          "🧪"
+        ],
+        "coffee": "☕",
+        "evening": "🌆",
+        "night": "🕷️"
+      },
+      "valentine": {
+        "sunrise": [
+          "💖",
+          "🌹",
+          "💘",
+          "💕"
+        ],
+        "work": [
+          "💌",
+          "🍫",
+          "🕊️",
+          "💗"
+        ],
+        "coffee": "☕",
+        "evening": "🌆",
+        "night": "🌙"
+      },
+      "thanksgiving": {
+        "sunrise": [
+          "🦃",
+          "🍁",
+          "🥧",
+          "🍂"
+        ],
+        "work": [
+          "🍽️",
+          "🌾",
+          "🧺",
+          "🥖"
+        ],
+        "coffee": "☕",
+        "evening": "🌆",
+        "night": "🌙"
+      },
+      "newyear": {
+        "sunrise": [
+          "🎆",
+          "🥂",
+          "🎇",
+          "✨"
+        ],
+        "work": [
+          "🗓️",
+          "⏳",
+          "🚀",
+          "✨"
+        ],
+        "coffee": "☕",
+        "evening": "🌆",
+        "night": "🌙"
+      }
+    },
     "time_slots": {
       "sunrise": "05:00-08:59",
       "coffee": "09:00-10:59",