zipalign: add page (#3546)

Thanks for the page @Rudloff!

pages/common/zipalign.md

@@ -0,0 +1,13 @@
+# zipalign
+
+> Zip archive alignment tool.
+> Part of the Android SDK build tools.
+> More information: <https://developer.android.com/studio/command-line/zipalign>.
+
+- Align the data of a ZIP file on 4-byte boundaries:
+
+`zipalign {{4}} {{path/to/input.zip}} {{path/to/output.zip}}`
+
+- Check that a ZIP file is correctly aligned on 4-byte boundaries and display the results in a verbose manner:
+
+`zipalign -v -c {{4}} {{path/to/input.zip}}`