Initial commit，修正

vendor/yiisoft/yii2-bootstrap5/.github/CONTRIBUTING.md

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+Contributing to Yii2
+====================
+
+- [Report an issue](https://github.com/yiisoft/yii2/blob/master/docs/internals/report-an-issue.md)
+- [Translate documentation or messages](https://github.com/yiisoft/yii2/blob/master/docs/internals/translation-workflow.md)
+- [Give us feedback or start a design discussion](https://www.yiiframework.com/forum/index.php/forum/42-general-discussions-for-yii-20/)
+- [Contribute to the core code or fix bugs](https://github.com/yiisoft/yii2/blob/master/docs/internals/git-workflow.md)

vendor/yiisoft/yii2-bootstrap5/.github/FUNDING.yml

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+# These are supported funding model platforms
+
+open_collective: yiisoft
+github: [yiisoft]
+tidelift: "packagist/yiisoft/yii2-bootstrap5"

vendor/yiisoft/yii2-bootstrap5/.github/ISSUE_TEMPLATE.md

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+<!--
+Please use this issue tracker for bugs and feature requests only. In case you need support please use one of
+Yii communities listed at https://github.com/yiisoft/yii2/wiki/communities
+-->
+
+### What steps will reproduce the problem?
+
+### What is the expected result?
+
+### What do you get instead?
+
+
+### Additional info
+
+| Q                | A
+| ---------------- | ---
+| Yii vesion       |
+| PHP version      |
+| Operating system |

vendor/yiisoft/yii2-bootstrap5/.github/PULL_REQUEST_TEMPLATE.md

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+| Q             | A
+| ------------- | ---
+| Is bugfix?    | ✔️/❌
+| New feature?  | ✔️/❌
+| Breaks BC?    | ✔️/❌
+| Fixed issues  | <!-- comma-separated list of tickets # fixed by the PR, if any -->

vendor/yiisoft/yii2-bootstrap5/.github/SECURITY.md

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+# Security Policy
+
+Please use the [security issue form](https://www.yiiframework.com/security) to report to us any security issue you find in Yii.
+DO NOT use the issue tracker or discuss it in the public forum as it will cause more damage than help.
+
+Please note that as a non-commercial OpenSource project we are not able to pay bounties at the moment.

vendor/yiisoft/yii2-bootstrap5/.github/workflows/build.yml

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+name: build
+
+on: [push, pull_request]
+
+env:
+    DEFAULT_COMPOSER_FLAGS: "--prefer-dist --no-interaction --no-progress --optimize-autoloader --ansi --ignore-platform-req=php"
+
+jobs:
+    phpunit:
+        name: PHP ${{ matrix.php }} on ${{ matrix.os }}
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                os: [ubuntu-latest]
+                php: ["7.0", "7.1", "7.2", "7.3", "7.4", "8.0"]
+
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2
+            - name: Install PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php }}
+            - name: Get composer cache directory
+              id: composer-cache
+              run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+            - name: Cache composer dependencies
+              uses: actions/cache@v1
+              with:
+                  path: ${{ steps.composer-cache.outputs.dir }}
+                  key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+                  restore-keys: ${{ runner.os }}-composer-
+            - name: Install dependencies
+              run: composer update $DEFAULT_COMPOSER_FLAGS
+            - name: Run unit tests with coverage
+              run: vendor/bin/phpunit --verbose --coverage-clover=coverage.clover --colors=always
+              if: matrix.php == '7.4'
+            - name: Run unit tests without coverage
+              run: vendor/bin/phpunit --verbose --colors=always
+              if: matrix.php != '7.4'
+            - name: Upload code coverage
+              run: |
+                  wget https://scrutinizer-ci.com/ocular.phar
+                  php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+              if: matrix.php == '7.4'
+              continue-on-error: true # if is fork