rustdoc: add page (#10902)

* rustdoc: add page

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/rustdoc.md

@@ -0,0 +1,20 @@
+# rustdoc
+
+> Generate documentation for a Rust crate.
+> More information: <https://doc.rust-lang.org/stable/rustdoc>.
+
+- Generate documentation from the crate's root:
+
+`rustdoc {{src/lib.rs}}`
+
+- Pass a name for the project:
+
+`rustdoc {{src/lib.rs}} --crate-name {{name}}`
+
+- Generate documentation from Markdown files:
+
+`rustdoc {{path/to/file.md}}`
+
+- Specify the output directory:
+
+`rustdoc {{src/lib.rs}} --out-dir {{path/to/output_directory}}`