Add text-align CSS type.

docs/css_types/text_align.md

@@ -0,0 +1,37 @@
+# <text-align>
+
+The `<text-align>` CSS type represents alignments that can be applied to text.
+
+!!! warning
+
+    Not to be confused with the [`text-align`](../styles/text_align.md) CSS rule that sets the alignment of text in a widget.
+
+## Syntax
+
+--8<-- "docs/snippets/type_syntax/text_align.md"
+
+## Examples
+
+### CSS
+
+```sass
+* {
+    rule: center;
+    rule: end;
+    rule: justify;
+    rule: left;
+    rule: right;
+    rule: start;
+}
+```
+
+### Python
+
+```py
+text_align = "center"
+text_align = "end"
+text_align = "justify"
+text_align = "left"
+text_align = "right"
+text_align = "start"
+```