chore: Add configuration files for project

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 120
+
+[*.{js,ts}]
+block_comment_start = /**
+block_comment = *
+block_comment_end = */
+
+[*.md]
+trim_trailing_whitespace = false

.eslintignore

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+*.js
+*.d.ts
+/demo/es-bench/
+/uniquely/flight-finder-pwa
+node_modules
+_data

.eslintrc.json

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+{
+  "root": true,
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/strict",
+    "plugin:@typescript-eslint/stylistic",
+    // "plugin:@typescript-eslint/strict-type-checked",
+    // "plugin:@typescript-eslint/stylistic-type-checked",
+    "plugin:import/recommended",
+    "plugin:import/typescript"
+  ],
+  "env": {
+    "shared-node-browser": true,
+    "es2023": true
+  },
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "project": true,
+    "ecmaVersion": 2023,
+    "sourceType": "module"
+  },
+  "plugins": ["@typescript-eslint", "import"],
+  "settings": {
+    "import/resolver": {
+      "typescript": {
+        "alwaysTryTypes": true,
+        "ecmaVersion": 2023,
+        "project": ["**/tsconfig.json"],
+        "projectFolderIgnoreList": ["**/node_modules/**"]
+      },
+      "node": true
+    }
+  },
+  "rules": {
+    "max-len": ["error", {"code": 120}],
+    "no-eval": ["error", {"allowIndirect": true}],
+    "no-floating-decimal": "error",
+    "space-infix-ops": "error",
+    "new-cap": ["error", {"capIsNewExceptionPattern": "Mixin$"}],
+    "brace-style": ["error", "stroustrup", {"allowSingleLine": true}],
+    "indent": "off",
+    "@typescript-eslint/indent": [
+      "error",
+      2,
+      {
+        "SwitchCase": 1,
+        "VariableDeclarator": 1,
+        "outerIIFEBody": 1,
+        "MemberExpression": 1,
+        "FunctionDeclaration": {"parameters": 1, "body": 1},
+        "FunctionExpression": {"parameters": 1, "body": 1},
+        "CallExpression": {"arguments": 1},
+        "ArrayExpression": 1,
+        "ObjectExpression": 1,
+        "ImportDeclaration": 1,
+        "flatTernaryExpressions": false,
+        "ignoreComments": false,
+        "ignoredNodes": [
+          "TemplateLiteral *",
+          "TSTypeParameterInstantiation",
+          "FunctionExpression > .params[decorators.length > 0]",
+          "FunctionExpression > .params > :matches(Decorator, :not(:first-child))",
+          "ClassBody.body > PropertyDefinition[decorators.length > 0] > .key"
+        ]
+      }
+    ],
+    "operator-linebreak": ["error", "after", {"overrides": {"?": "before", ":": "before"}}],
+    "import/order": [
+      "error",
+      {
+        "groups": ["builtin", "external", "internal", ["parent", "sibling", "index"], "object", "unknown", "type"],
+        "newlines-between": "always",
+        "warnOnUnassignedImports": true,
+        "alphabetize": {
+          "order": "asc",
+          "caseInsensitive": true
+        }
+      }
+    ],
+    "@typescript-eslint/prefer-string-starts-ends-with": "off",
+    "@typescript-eslint/no-dynamic-delete": "off",
+    "@typescript-eslint/no-non-null-assertion": "off",
+    "no-throw-literal": "off",
+    "require-jsdoc": "off",
+    "valid-jsdoc": "off"
+  }
+}

.gitignore

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+# Specifies intentionally untracked files to ignore when using Git
+# http://git-scm.com/docs/gitignore
+
+# OSX
+.DS_STORE
+.DS_Store
+._*
+
+# Windows
+Thumbs.db
+Desktop.ini
+
+# Logs
+*.log*
+
+# package managers
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+#!.yarn/cache
+.pnp.*
+node_modules
+package-lock.json
+
+# Build
+dist
+build
+.tsbuildinfo
+*.map
+*.d.ts
+*.js
+!*.config.js
+!**/res/*.js
+
+# Output of 'npm pack'
+*.tgz
+
+# dotenv environment variables file
+.env

.prettierrc.json

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+{
+  "singleQuote": true,
+  "bracketSpacing": false
+}

.yarnrc.yml

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+enableTelemetry: false

LICENSE

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+MIT License
+
+Copyright (c) 2022 S. Ali Mihandoost
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.