Update cheatsheets

stormlock

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# Stormlock
+
+> Centralized locking system.
+> More information: <https://github.com/tmccombs/stormlock>.
+
+- Acquire a lease for resource:
+
+`stormlock acquire {{resource}}`
+
+- Release the given lease for the given resource:
+
+`stormlock release {{resource}} {{lease_id}}`
+
+- Show information on the current lease for a resource, if any:
+
+`stormlock current {{resource}}`
+
+- Test if a lease for given resource is currently active:
+
+`stormlock is-held {{resource}} {{lease_id}}`