Update cheatsheets

godoc

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# godoc
+
+> View documentation for go packages.
+> More information: <https://godoc.org/>.
+
+- Display help for a specific package:
+
+`godoc {{fmt}}`
+
+- Display help for the function "Printf" of "fmt" package:
+
+`godoc {{fmt}} {{Printf}}`
+
+- Serve documentation as a web server on port 6060:
+
+`godoc -http=:{{6060}}`
+
+- Create an index file:
+
+`godoc -write_index -index_files={{path/to/file}}`
+
+- Use the given index file to search the docs:
+
+`godoc -http=:{{6060}} -index -index_files={{path/to/file}}`