Add new music discs and models for various shops; remove obsolete files

- Introduced new music discs: "City Under Siege", "Clothing Shop", "Food Mart", "Hat Shop", "Interior Shop", "Pawn Shop", and "Jump Up" with corresponding models and textures.
- Updated sounds.json to include new music disc entries.
- Created new JSON files for music disc models and their textures.
- Removed outdated models and textures for cobblestone, emerald, and stick.
- Deleted unnecessary blockbench textures and environment textures.
- Updated pack metadata to reflect new pack format and supported versions.

data/new_music/function/city_under_siege6.mcfunction

@@ -0,0 +1,2 @@
+#give City under siege to player
+give @s minecraft:music_disc_13[minecraft:jukebox_playable={song:"new_music:city_under_siege6"},minecraft:custom_model_data=37006]

data/new_music/function/clothing_shop0.mcfunction

@@ -0,0 +1,2 @@
+#give Clothing Shop to player
+give @s minecraft:music_disc_13[minecraft:jukebox_playable={song:"new_music:clothing_shop0"},minecraft:custom_model_data=37000]

data/new_music/function/food_mart1.mcfunction

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+#give Food Mart to player
+give @s minecraft:music_disc_13[minecraft:jukebox_playable={song:"new_music:food_mart1"},minecraft:custom_model_data=37001]

data/new_music/function/hat_shop2.mcfunction

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+#give Hat Shop to player
+give @s minecraft:music_disc_13[minecraft:jukebox_playable={song:"new_music:hat_shop2"},minecraft:custom_model_data=37002]

data/new_music/function/interior_shop3.mcfunction

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+#give Interior Shop to player
+give @s minecraft:music_disc_13[minecraft:jukebox_playable={song:"new_music:interior_shop3"},minecraft:custom_model_data=37003]

data/new_music/function/jump_up5.mcfunction

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+#give Jump Up to player
+give @s minecraft:music_disc_13[minecraft:jukebox_playable={song:"new_music:jump_up5"},minecraft:custom_model_data=37005]

data/new_music/function/pawn_shop4.mcfunction

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+#give Pawn Shop to player
+give @s minecraft:music_disc_13[minecraft:jukebox_playable={song:"new_music:pawn_shop4"},minecraft:custom_model_data=37004]

data/new_music/jukebox_song/city_under_siege6.json

@@ -0,0 +1,8 @@
+{
+  "comparator_output": 1,
+  "description": "Author - City under siege",
+  "length_in_seconds": 362.100979,
+  "sound_event": {
+    "sound_id": "minecraft:music_disc.city_under_siege6"
+  }
+}

data/new_music/jukebox_song/clothing_shop0.json

@@ -0,0 +1,8 @@
+{
+  "comparator_output": 1,
+  "description": "Author - Clothing Shop",
+  "length_in_seconds": 93.936326,
+  "sound_event": {
+    "sound_id": "minecraft:music_disc.clothing_shop0"
+  }
+}

data/new_music/jukebox_song/food_mart1.json

@@ -0,0 +1,8 @@
+{
+  "comparator_output": 1,
+  "description": "Author - Food Mart",
+  "length_in_seconds": 89.340979,
+  "sound_event": {
+    "sound_id": "minecraft:music_disc.food_mart1"
+  }
+}

data/new_music/jukebox_song/hat_shop2.json

@@ -0,0 +1,8 @@
+{
+  "comparator_output": 1,
+  "description": "Author - Hat Shop",
+  "length_in_seconds": 80.22204,
+  "sound_event": {
+    "sound_id": "minecraft:music_disc.hat_shop2"
+  }
+}

data/new_music/jukebox_song/interior_shop3.json

@@ -0,0 +1,8 @@
+{
+  "comparator_output": 1,
+  "description": "Author - Interior Shop",
+  "length_in_seconds": 77.400816,
+  "sound_event": {
+    "sound_id": "minecraft:music_disc.interior_shop3"
+  }
+}

data/new_music/jukebox_song/jump_up5.json

@@ -0,0 +1,8 @@
+{
+  "comparator_output": 1,
+  "description": "Author - Jump Up",
+  "length_in_seconds": 223.572979,
+  "sound_event": {
+    "sound_id": "minecraft:music_disc.jump_up5"
+  }
+}

data/new_music/jukebox_song/pawn_shop4.json

@@ -0,0 +1,8 @@
+{
+  "comparator_output": 1,
+  "description": "Author - Pawn Shop",
+  "length_in_seconds": 88.21551,
+  "sound_event": {
+    "sound_id": "minecraft:music_disc.pawn_shop4"
+  }
+}