bun-why: add page (#19508)

* bun-why: add page

Signed-off-by: Emmanuel Ferdman <[email protected]>

* Update bun-why.md

---------

Signed-off-by: Emmanuel Ferdman <[email protected]>

Author: emmanuel-ferdman

pages/common/bun-why.md

@@ -0,0 +1,24 @@
+# bun why
+
+> Explain why a package is installed by showing its dependency chain.
+> More information: <https://bun.com/docs/pm/cli/why>.
+
+- Explain why a specific package is installed:
+
+`bun why {{package_name}}`
+
+- Explain why all packages matching a pattern are installed:
+
+`bun why "{{pattern}}"`
+
+- Explain why packages from a specific organization are installed:
+
+`bun why "@{{organization}}/*"`
+
+- Show only top-level dependencies:
+
+`bun why {{package_name}} --top`
+
+- Limit the dependency tree depth:
+
+`bun why {{package_name}} --depth {{number}}`