Add the kapitan-compile hook

Adds a hook that compiles Kapitan templates in a repository

.pre-commit-hooks.yaml

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+- id: kapitan-compile
+  name: Kapitan Compile
+  description: Compiles Kapitan templates in the repository
+  entry: hooks/kapitan-compile.sh
+  language: script
+  files: ^(components|templates|inventory|secrets).+\.ya?ml$
+  exclude: ^compiled
+  pass_filenames: false
+

README.md

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+# pre-commit
+
+A collection of pre-commit hooks for [https://github.com/pre-commit/pre-commit](https://github.com/pre-commit/pre-commit).
+
+## Hooks
+
+- **kapitan-compile**: Compiles [Kapitan](https://kapitan.dev) templates
+

hooks/kapitan-compile.sh

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+#!/bin/bash
+
+set -e
+
+docker run -t --rm -v $(pwd):/src:delegated deepmind/kapitan compile
+