add dashboard framework: responsive grid layout with modular cell system and fullscreen entry

scripts/module_base.gd

@@ -0,0 +1,32 @@
+extends PanelBase
+class_name ModuleBase
+
+
+signal module_ready
+
+@export var module_title: String = "Module"
+
+var _initialized: bool = false
+
+
+func _ready() -> void:
+    if not _initialized:
+        _initialize()
+
+
+func initialize() -> void:
+    pass
+
+
+func refresh(data: Dictionary) -> void:
+    pass
+
+
+func get_module_title() -> String:
+    return module_title
+
+
+func _initialize() -> void:
+    _initialized = true
+    initialize()
+    module_ready.emit()