Added more examples to the Stringy Keymaps docs

Rearranged text

Removed blank lines

Fixed "string name" to "string"

Enclosed string in single qutoes

docs/en/extension_stringy_keymaps.md

@@ -1,6 +1,7 @@
 # Stringy Keymaps
 
-Enables referring to keys by `'NAME'` rather than `KC.NAME`.
+Enables referring to keys by `'NAME'` rather than `KC.NAME`.\
+This extension allows for a seamless integration of both string-based key references and standard keycodes.
 
 For example:
 
@@ -13,6 +14,9 @@ from kmk.extensions.stringy_keymaps import StringyKeymaps
 # Indexed
 # keyboard.keymap = [[ KC['A'], KC['B'], KC['RESET'] ]]
 
+# String names mixed with normal keycodes
+# keyboard.keymap = [[ 'A' , KC.B, KC.RESET ]]
+
 # String names
 keyboard.keymap = [[ 'A' , 'B', 'RESET' ]]
 
@@ -27,3 +31,5 @@ keyboard.extensions.append(stringyKeymaps)
 
 It should be noted that these are **not** ASCII. The string is **not** what
 will be sent to the computer. The examples above have no functional difference.
+
+When utilizing layer keycodes, such as `KC.MO(layer)`, it's not possible to use a string like `'MO(layer)'` instead employ the standard notation of e.g. `KC.MO(1)` in your keymap.