Update cheatsheets

sdkmanager

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# sdkmanager
+
+> Install packages for the Android SDK.
+> More information: <https://developer.android.com/tools/sdkmanager>.
+
+- List available packages:
+
+`sdkmanager --list`
+
+- Install a package:
+
+`sdkmanager {{package}}`
+
+- Update every installed package:
+
+`sdkmanager --update`
+
+- Uninstall a package:
+
+`sdkmanager --uninstall {{package}}`