Build plugin with grafana toolkit (#1539)

* Use grafana toolkit template for building plugin

* Fix linter and type errors

* Update styles building

* Fix sass deprecation warning

* Remove empty js files produced by webpack building sass

* Fix signing script

* Replace classnames with cx

* Fix data source config page

* Use custom webpack config instead of overriding original one

* Use gpx_ prefix for plugin executable

* Remove unused configs

* Roll back react hooks dependencies usage

* Move plugin-specific ts config to root config file

* Temporary do not use rst2html for function description tooltip

* Remove unused code

* remove unused dependencies

* update react table dependency

* Migrate tests to typescript

* remove unused dependencies

* Remove old webpack configs

* Add sign target to makefile

* Add magefile

* Update CI test job

* Update go packages

* Update build instructions

* Downgrade go version to 1.18

* Fix go version in ci

* Fix metric picker

* Add comment to webpack config

* remove angular mocks

* update bra config

* Rename datasource-zabbix to datasource (fix mage build)

* Add instructions for building backend with mage

* Fix webpack targets

* Fix ci backend tests

* Add initial e2e tests

* Fix e2e ci tests

* Update docker compose for cypress tests

* build grafana docker image

* Fix docker stop task

* CI: add Grafana compatibility check

jest.config.js

@@ -1,33 +1,8 @@
+// force timezone to UTC to allow tests to work regardless of local timezone
+// generally used by snapshots, but can affect specific tests
+process.env.TZ = 'UTC';
+
 module.exports = {
-  "roots": [
-    // "<rootDir>/dist/test"
-    "<rootDir>/src"
-  ],
-  "setupFiles": [
-    // "<rootDir>/dist/test/test-setup/jest-setup.js"
-    "<rootDir>/src/test-setup/jest-setup.js"
-  ],
-  "moduleFileExtensions": [
-    "ts",
-    "tsx",
-    "js",
-    "jsx",
-    "json"
-  ],
-  "moduleNameMapper": {
-    "^[./a-zA-Z0-9$_-]+\.css\!?$": "<rootDir>/src/test-setup/cssStub.js",
-  },
-  "testRegex": "(\\.|/)(test|spec)\\.(jsx?|tsx?)$",
-  "transform": {
-    "^.+\\.js$": "babel-jest",
-    "^.+\\.(ts|tsx)$": "ts-jest"
-  },
-  "coverageDirectory": "<rootDir>/tmp/coverage/node/",
-  "collectCoverage": false,
-  "testEnvironment": "jest-environment-jsdom-fifteen",
-  "globals": {
-    "ts-jest": {
-      "tsConfig": "tsconfig.test.json"
-    }
-  }
+  // Jest configuration provided by Grafana scaffolding
+  ...require('./.config/jest.config'),
 };