feature: Add create casings, shadow and radiance (#2256)

* feature: Add create casings, shadow and radiance

Added recipes for create:
- shadow steel casing
- refined radiance casing

closes #2224

* fix: radiant casing recipe

- Fixed and changed radiant casing recipe
- Moved adding to create tab logic to a dedicated file for organization
- Added constants.js for tab names to prevent typos and improve maintainability

* Changed radiant casing recipe to glowstone plate

---------

Co-authored-by: Redeix <brayden.j.m.ford@gmail.com>

kubejs/server_scripts/create/recipes.js

@@ -680,6 +680,30 @@ const registerCreateRecipes = (event) => {
 		.EUt(4)
 		.addMaterialInfo(true)
 
+    // Shadow steel casing
+    event.recipes.createItemApplication(['create:shadow_steel_casing'], ['#forge:stripped_logs', '#forge:plates/black_steel'])
+    		.id('tfg:create/item_application/shadow_steel_casing')
+
+    event.recipes.gtceu.assembler('tfg:create/shadow_steel_casing')
+        .itemInputs('#forge:stripped_logs', '#forge:plates/black_steel')
+        .circuit(11)
+        .itemOutputs('create:shadow_steel_casing')
+        .duration(50)
+        .EUt(4)
+        .addMaterialInfo(true)
+
+    // Refined radiance casing
+    event.recipes.createItemApplication(['create:refined_radiance_casing'], ['#forge:stripped_logs', 'gtceu:glowstone_plate'])
+            .id('tfg:create/item_application/refined_radiance_casing')
+
+    event.recipes.gtceu.assembler('tfg:create/refined_radiance_casing')
+        .itemInputs('#forge:stripped_logs', 'gtceu:glowstone_plate')
+        .circuit(11)
+        .itemOutputs('create:refined_radiance_casing')
+        .duration(50)
+        .EUt(4)
+        .addMaterialInfo(true)
+
 	// Корпус поезда
 	event.recipes.createItemApplication(['create:railway_casing'], ['create:brass_casing', '#forge:plates/black_steel'])
 		.id('tfg:create/item_application/railway_casing')