Update cheatsheets

hadolint

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# hadolint
+
+> Dockerfile linter.
+> More information: <https://github.com/hadolint/hadolint>.
+
+- Lint a Dockerfile:
+
+`hadolint {{path/to/Dockerfile}}`
+
+- Lint a Dockerfile, displaying the output in JSON format:
+
+`hadolint --format {{json}} {{path/to/Dockerfile}}`
+
+- Lint a Dockerfile, displaying the output in a specific format:
+
+`hadolint --format {{tty|json|checkstyle|codeclimate|codacy}} {{path/to/Dockerfile}}`
+
+- Lint a Dockerfile ignoring specific rules:
+
+`hadolint --ignore {{DL3006}} --ignore {{DL3008}} {{path/to/Dockerfile}}`
+
+- Lint multiple Dockerfiles using specific trusted registries:
+
+`hadolint --trusted-registry {{docker.io}} --trusted-registry {{example.com}}:{{5000}} {{path/to/Dockerfile1 path/to/Dockerfile2 ...}}`