Merge pull request #352 from kellydanma/syntax_widget/string_delimiter

[Syntax lookup] Add doc for string literal syntax

Author: ryyppy

misc_docs/syntax/language_string_delimiter.mdx

@@ -0,0 +1,33 @@
+---
+id: "string-literal"
+keywords: ["string"]
+name: "\"\""
+summary: "This is the `string` literal syntax."
+category: "languageconstructs"
+---
+
+A `string` literal is composed of two **double** quotes. Single quotes are reserved for the `char` type.
+
+### Example
+
+<CodeTab labels={["ReScript", "JS Output"]}>
+
+```res
+let myString = "Single line " ++ "string!"
+let myMultiLineString = "Multi
+ line
+ string!"
+```
+
+```js
+var myString = "Single line string!";
+
+var myMultiLineString = "Multi\n line\n string!";
+```
+
+</CodeTab>
+
+### References
+
+* [Strings](/docs/manual/latest/primitive-types#string)
+* [Characters](/docs/manual/latest/primitive-types#char)