Update cheatsheets

git-instaweb

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git instaweb
+
+> Helper to launch a GitWeb server.
+> More information: <https://git-scm.com/docs/git-instaweb>.
+
+- Launch a GitWeb server for the current Git repository:
+
+`git instaweb --start`
+
+- Listen only on localhost:
+
+`git instaweb --start --local`
+
+- Listen on a specific port:
+
+`git instaweb --start --port {{1234}}`
+
+- Use a specified HTTP daemon:
+
+`git instaweb --start --httpd {{lighttpd|apache2|mongoose|plackup|webrick}}`
+
+- Also auto-launch a web browser:
+
+`git instaweb --start --browser`
+
+- Stop the currently running GitWeb server:
+
+`git instaweb --stop`
+
+- Restart the currently running GitWeb server:
+
+`git instaweb --restart`