clang-check: add page (#18515)

Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>
Co-authored-by: Dylan <145150333+dmmqz@users.noreply.github.com>

pages/common/clang-check.md

@@ -0,0 +1,21 @@
+# clang-check
+
+> Check basic errors and work with Clang's Abstract Syntax Tree (AST).
+> Part of Clang's LibTooling and is useful for debugging and analyzing C/C++ code.
+> More information: <https://manned.org/clang-check>.
+
+- Run default checks on a source file:
+
+`clang-check {{path/to/file.cpp}} --`
+
+- Dump the Abstract Syntax Tree for debugging:
+
+`clang-check {{path/to/file.cpp}} -ast-dump --`
+
+- Filter AST by Name:
+
+`clang-check {{path/to/file.cpp}} -ast-dump -ast-dump-filter FunctionName`
+
+- Pretty-Print AST:
+
+`clang-check {{path/to/file.cpp}} -ast-print --`