Add integration quality scale docs (#2457)

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
Co-authored-by: Franck Nijhof <frenck@frenck.nl>
Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>

docs/core/integration-quality-scale/rules/dependency-transparency.md

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+---
+title: "Dependency transparency"
+related_rules:
+  - async-dependency
+---
+import RelatedRules from './_includes/related_rules.jsx'
+
+## Reasoning
+
+Home Assistant uses a lot of dependencies to work.
+These dependencies will be shipped with new versions of Home Assistant.
+In order for the project to trust the dependencies, we have a set of requirements we want the dependencies to meet.
+
+- The source code of the dependency must be available under an OSI-approved license.
+- The dependency must be available on PyPI.
+- The package published to PyPi should be built and published inside a CI pipeline.
+- The version of the dependency published on PyPI should correspond to a tagged release in an open online repository.
+
+## Exceptions
+
+There are no exceptions to this rule.
+
+## Related rules
+
+<RelatedRules relatedRules={frontMatter.related_rules}></RelatedRules>