pio-lib: add page (#5728)

pages/common/pio-lib.md

@@ -0,0 +1,36 @@
+# pio lib
+
+> Manage PlatformIO libraries.
+> More information: <https://docs.platformio.org/en/latest/core/userguide/lib/>.
+
+- List installed libraries:
+
+`pio lib list`
+
+- List built-in libraries based on installed development platforms and their frameworks:
+
+`pio lib builtin`
+
+- Search for existing libraries:
+
+`pio lib search {{keyword}}`
+
+- Show details about a library:
+
+`pio lib show {{library}}`
+
+- Install a library:
+
+`pio lib install {{library}}`
+
+- Update installed libraries:
+
+`pio lib update`
+
+- Uninstall a library:
+
+`pio lib uninstall {{library}}`
+
+- Show PlatformIO library registry statistics:
+
+`pio lib stats`