Updated Container docs

updated docs for container (child instead of object)

docs/objects/Container/clearFocusedChild.md

@@ -0,0 +1,32 @@
+## clearFocusedChild
+
+### Description
+
+Clears the focus from the currently focused object within the container. If no object is focused, this method has no effect.
+
+### Returns
+
+1. `object` The object in use
+
+### Usage
+
+```lua
+local main = basalt.createFrame()
+local container = main:addFrame()
+local inputField1 = container:addInputField()
+    :setPosition(2, 2)
+local inputField2 = container:addInputField()
+    :setPosition(2, 4)
+
+container:setFocusedChild(inputField1)
+
+main:addButton()
+    :setPosition(2, 6)
+    :setText("Remove focus from input fields")
+    :onClick(function()
+        container:clearFocusedChild()
+        basalt.debug("Focus removed from input fields!")
+    end)
+
+basalt.autoUpdate()
+```