feat: add explore-backend plugin

Signed-off-by: Andrew Thauer <athauer@wealthsimple.com>

plugins/explore-common/.eslintrc.js

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+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);

plugins/explore-common/README.md

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+# explore-common
+
+Shared types for the `explore*` plugins.

plugins/explore-common/api-report.md

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+## API Report File for "@backstage/plugin-explore-common"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+// @public (undocumented)
+export type ExploreTool = {
+  title: string;
+  description?: string;
+  url: string;
+  image: string;
+  tags?: string[];
+  lifecycle?: string;
+};
+
+// @public (undocumented)
+export type ExploreToolFilter = {
+  tags?: string[];
+  lifecycle?: string[];
+};
+
+// @public (undocumented)
+export type GetExploreToolsRequest = {
+  filter?: ExploreToolFilter;
+};
+
+// @public (undocumented)
+export type GetExploreToolsResponse = {
+  tools: ExploreTool[];
+};
+
+// Warnings were encountered during analysis:
+//
+// src/index.d.ts:2:1 - (ae-misplaced-package-tag) The @packageDocumentation comment must appear at the top of entry point *.d.ts file
+
+// (No @packageDocumentation comment for this package)
+```

plugins/explore-common/package.json

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+{
+  "name": "@backstage/plugin-explore-common",
+  "description": "Common functionalities for the explore plugin",
+  "version": "0.1.0",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "license": "Apache-2.0",
+  "publishConfig": {
+    "access": "public",
+    "main": "dist/index.cjs.js",
+    "types": "dist/index.d.ts"
+  },
+  "backstage": {
+    "role": "common-library"
+  },
+  "homepage": "https://backstage.io",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/backstage/backstage",
+    "directory": "plugins/explore-common"
+  },
+  "keywords": [
+    "backstage"
+  ],
+  "scripts": {
+    "build": "backstage-cli package build",
+    "lint": "backstage-cli package lint",
+    "test": "backstage-cli package test",
+    "clean": "backstage-cli package clean",
+    "prepack": "backstage-cli package prepack",
+    "postpack": "backstage-cli package postpack"
+  },
+  "devDependencies": {
+    "@backstage/cli": "workspace:^"
+  },
+  "files": [
+    "dist"
+  ]
+}

plugins/explore-common/src/api.ts

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+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { ExploreTool } from './types';
+
+/**
+ * @public
+ */
+export type ExploreToolFilter = {
+  /**
+   * Filter by a list of tags
+   */
+  tags?: string[];
+
+  /**
+   * Filter by a list of lifecycle strings
+   */
+  lifecycle?: string[];
+};
+
+/**
+ * @public
+ */
+export type GetExploreToolsRequest = {
+  filter?: ExploreToolFilter;
+};
+
+/**
+ * @public
+ */
+export type GetExploreToolsResponse = {
+  tools: ExploreTool[];
+};

plugins/explore-common/src/index.ts

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+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/***/
+/**
+ * Common functionalities for the explore plugin.
+ *
+ * @packageDocumentation
+ */
+
+export * from './api';
+export * from './types';

plugins/explore-common/src/types.ts

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+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @public
+ */
+export type ExploreTool = {
+  title: string;
+  description?: string;
+  url: string;
+  image: string;
+  tags?: string[];
+  lifecycle?: string;
+};