Add placeholder doc for TypeScript

Author: wgao19

docs/using-react-redux/static-typing-with-typescript.md

@@ -0,0 +1,10 @@
+---
+id: static-typing-with-typescript
+title: Static Typing with TypeScript
+hide_title: true
+sidebar_label: TypeScript
+---
+
+# Static Typing with TypeScript
+
+We're looking for help on this section, [file a PR](https://github.com/reduxjs/react-redux/issues/1001#issuecomment-503532530).

website/sidebars.json

@@ -12,7 +12,10 @@
       {
         "type": "subcategory",
         "label": "Static Typing",
-        "ids": ["using-react-redux/static-typing-with-flow"]
+        "ids": [
+          "using-react-redux/static-typing-with-flow",
+          "using-react-redux/static-typing-with-typescript"
+        ]
       }
     ],
     "API Reference": [

website/versioned_docs/version-5.x/using-react-redux/static-typing-with-typescript.md

@@ -0,0 +1,11 @@
+---
+id: version-5.x-static-typing-with-typescript
+title: Static Typing with TypeScript
+hide_title: true
+sidebar_label: TypeScript
+original_id: static-typing-with-typescript
+---
+
+# Static Typing with TypeScript
+
+We're looking for help on this section, [file a PR](https://github.com/reduxjs/react-redux/issues/1001#issuecomment-503532530).

website/versioned_sidebars/version-5.x-sidebars.json

@@ -11,7 +11,10 @@
       {
         "type": "subcategory",
         "label": "Static Typing",
-        "ids": ["version-5.x-using-react-redux/static-typing-with-flow"]
+        "ids": [
+          "version-5.x-using-react-redux/static-typing-with-flow",
+          "version-5.x-using-react-redux/static-typing-with-typescript"
+        ]
       }
     ],
     "API Reference": [

website/versioned_sidebars/version-6.x-sidebars.json

@@ -12,7 +12,10 @@
       {
         "type": "subcategory",
         "label": "Static Typing",
-        "ids": ["version-6.x-using-react-redux/static-typing-with-flow"]
+        "ids": [
+          "version-6.x-using-react-redux/static-typing-with-flow",
+          "version-6.x-using-react-redux/static-typing-with-typescript"
+        ]
       }
     ],
     "API Reference": [

website/versioned_sidebars/version-7.0-sidebars.json

@@ -12,7 +12,10 @@
       {
         "type": "subcategory",
         "label": "Static Typing",
-        "ids": ["version-7.0-using-react-redux/static-typing-with-flow"]
+        "ids": [
+          "version-7.0-using-react-redux/static-typing-with-flow",
+          "version-7.0-using-react-redux/static-typing-with-typescript"
+        ]
       }
     ],
     "API Reference": [

website/versioned_sidebars/version-7.1-sidebars.json

@@ -12,7 +12,10 @@
       {
         "type": "subcategory",
         "label": "Static Typing",
-        "ids": ["version-7.1-using-react-redux/static-typing-with-flow"]
+        "ids": [
+          "version-7.1-using-react-redux/static-typing-with-flow",
+          "version-7.1-using-react-redux/static-typing-with-typescript"
+        ]
       }
     ],
     "API Reference": [