Update cheatsheets

makensis

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# makensis
+
+> Cross-platform compiler for NSIS installers.
+> It compiles a NSIS script into a Windows installer executable.
+> More information: <https://nsis.sourceforge.io/Docs/Chapter3.html>.
+
+- Compile a NSIS script:
+
+`makensis {{path/to/file.nsi}}`
+
+- Compile a NSIS script in strict mode (treat warnings as errors):
+
+`makensis -WX {{path/to/file.nsi}}`
+
+- Display help for a specific command:
+
+`makensis -CMDHELP {{command}}`