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

tldr/varnishlog

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# varnishlog
+
+> Display Varnish logs.
+> More information: <https://varnish-cache.org/docs/trunk/reference/varnishlog.html>.
+
+- Display logs in real time:
+
+`varnishlog`
+
+- Only display requests to a specific domain:
+
+`varnishlog -q 'ReqHeader eq "Host: {{example.com}}"'`
+
+- Only display POST requests:
+
+`varnishlog -q 'ReqMethod eq "{{POST}}"'`
+
+- Only display requests to a specific path:
+
+`varnishlog -q 'ReqURL eq "{{/path}}"'`
+
+- Only display requests to paths matching a regular expression:
+
+`varnishlog -q 'ReqURL ~ "{{regex}}"'`