chore: run hadolint and yamllint during make lint (celestiaorg#1447)

Closes celestiaorg#1403

yamllint config copied from
https://github.com/celestiaorg/.github/blob/main/.yamllint.yml

.yamllint.yml

@@ -0,0 +1,9 @@
+---
+# Built from docs https://yamllint.readthedocs.io/en/stable/configuration.html
+extends: default
+
+rules:
+  # 120 chars should be enough, but don't fail if a line is longer
+  line-length:
+    max: 120
+    level: warning

Makefile

@@ -85,6 +85,11 @@ lint:
 	@golangci-lint run
 	@echo "--> Running markdownlint"
 	@markdownlint --config .markdownlint.yaml '**/*.md'
+	@echo "--> Running hadolint"
+	@hadolint Dockerfile
+	@echo "--> Running yamllint"
+	@yamllint --no-warnings . -c .yamllint.yml
+
 .PHONY: lint
 
 ## fmt: Format files per linters golangci-lint and markdownlint.

README.md

@@ -72,6 +72,8 @@ See <https://docs.celestia.org/category/celestia-app> for more information
 
 1. Install [golangci-lint](https://golangci-lint.run/usage/install/)
 1. Install [markdownlint](https://github.com/DavidAnson/markdownlint)
+1. Install [hadolint](https://github.com/hadolint/hadolint)
+1. Install [yamllint](https://yamllint.readthedocs.io/en/stable/quickstart.html)
 
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