Add tsconfig and readme

.editorconfig

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+[*]
+indent_size = 2

README.md

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-# tsconfig
+# @devsht/tsconfig
+
 Reusable TS config
+
+## Installation
+
+```bash
+npm i -D @devsht/tsconfig
+```
+
+or
+
+```
+yarn add --dev @devsht/tsconfig
+```
+
+## Usage
+
+Create a **tsconfig.json** and add this package to the extends field.
+
+```
+{
+    "extends": "@devsht/tsconfig",
+    "compilerOptions": {
+      "outDir": "dist"
+    },
+    "include": ["src"]
+}
+```

package.json

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+{
+  "name": "@devsht/tsconfig",
+  "version": "0.0.0",
+  "description": "Reusable TS config",
+  "main": "tsconfig.json",
+  "repository": "[email protected]:devsht/tsconfig.git",
+  "author": "Michael Mason <[email protected]>"
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    "allowUnreachableCode": false,
+    "alwaysStrict": true,
+    "declaration": true,
+    "declarationMap": true,
+    "emitDeclarationOnly": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "importsNotUsedAsValues": "preserve",
+    "isolatedModules": true,
+    "jsx": "react-jsx",
+    "lib": ["ES2020"],
+    "module": "commonjs",
+    "noEmitOnError": true,
+    "noErrorTruncation": true,
+    "noImplicitReturns": true,
+    "noUncheckedIndexedAccess": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "removeComments": true,
+    "resolveJsonModule": true,
+    "skipLibCheck": true,
+    "sourceMap": true,
+    "strict": true,
+    "target": "ES2020"
+  }
+}