Move pages under tldr, lint run.sh, update docs

tldr/linux/apk

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# apk
+
+> Alpine Linux package management tool.
+> More information: <https://wiki.alpinelinux.org/wiki/Alpine_Linux_package_management>.
+
+- Update repository indexes from all remote repositories:
+
+`apk update`
+
+- Install a new package:
+
+`apk add {{package}}`
+
+- Remove a package:
+
+`apk del {{package}}`
+
+- Repair a package or upgrade it without modifying main dependencies:
+
+`apk fix {{package}}`
+
+- Search for a package via keywords:
+
+`apk search {{keywords}}`
+
+- Display information about a specific package:
+
+`apk info {{package}}`