chore: set up commit hooks (#48)

Closes #26 

## Git hook (Commitlint)


![image](https://github.com/flowup/quality-metrics-cli/assets/34691111/ef307764-a9e9-4c96-9653-f439c7e82fc7)

## Commiting with prompts (Commitizen)


![image](https://github.com/flowup/quality-metrics-cli/assets/34691111/2a63b489-1b15-445e-b3f6-cc03530b0405)


![image](https://github.com/flowup/quality-metrics-cli/assets/34691111/8e89e86c-f939-40ea-8047-ac9566791468)

.husky/.gitignore

@@ -0,0 +1 @@
+_

.husky/commit-msg

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+npx --no -- commitlint --edit "$1"

.husky/pre-commit

@@ -0,0 +1,16 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+# copied from: https://prettier.io/docs/en/precommit.html#option-5-shell-script
+
+FILES=$(git diff --cached --name-only --diff-filter=ACMR | sed 's| |\\ |g')
+[ -z "$FILES" ] && exit 0
+
+# Prettify all selected files
+echo "$FILES" | xargs ./node_modules/.bin/prettier --ignore-unknown --write
+
+# Add back the modified/prettified files to staging
+echo "$FILES" | xargs git add
+
+exit 0
+

commitlint.config.js

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+const { RuleConfigSeverity } = require('@commitlint/types');
+const {
+  utils: { getProjects },
+} = require('@commitlint/config-nx-scopes');
+
+/** @type {import('@commitlint/types').UserConfig} */
+const configuration = {
+  extends: ['@commitlint/config-conventional'],
+  rules: {
+    'scope-enum': async ctx => {
+      const projects = await getProjects(
+        ctx,
+        ({ name, projectType, tags }) =>
+          projectType === 'library' || projectType === 'application',
+      );
+      const scopes = [...projects, 'tools', 'workflows', 'testing'].sort();
+      return [RuleConfigSeverity.Error, 'always', scopes];
+    },
+  },
+};
+
+module.exports = configuration;