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

tldr/mkcert

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# mkcert
+
+> Make locally-trusted development certificates.
+> More information: <https://github.com/FiloSottile/mkcert>.
+
+- Install the local CA in the system trust store:
+
+`mkcert -install`
+
+- Generate certificate and private key for a given domain:
+
+`mkcert {{example.org}}`
+
+- Generate certificate and private key for multiple domains:
+
+`mkcert {{example.org}} {{myapp.dev}} {{127.0.0.1}}`
+
+- Generate wildcard certificate and private key for a given domain and its subdomains:
+
+`mkcert "{{*.example.it}}"`
+
+- Uninstall the local CA:
+
+`mkcert -uninstall`