Docs: Add documentation for Mirai Form widget

website/docs/widgets/form.md

@@ -0,0 +1,65 @@
+# Form
+
+The Mirai Form allows you to build a Flutter form widget using JSON.
+To know more about the form widget in Flutter, refer to the [official documentation](https://api.flutter.dev/flutter/widgets/Form-class.html).
+
+## Properties
+
+| Property          | Type                    | Description                                                                 |
+|-------------------|-------------------------|-----------------------------------------------------------------------------|
+| autovalidateMode  | `AutovalidateMode?`     | The mode to control auto validation.                                        |
+| child             | `Map<String, dynamic>`  | The widget to display inside the form.                                      |
+
+## Example JSON
+
+```json
+{
+  "type": "form",
+  "autovalidateMode": "always",
+  "child": {
+    "type": "column",
+    "children": [
+      {
+        "type": "textFormField",
+        "id": "username",
+        "decoration": {
+          "labelText": "Username"
+        }
+      },
+      {
+        "type": "textFormField",
+        "id": "password",
+        "decoration": {
+          "labelText": "Password"
+        }
+      },
+      {
+        "type": "filledButton",
+        "child": {
+          "type": "text",
+          "data": "Submit"
+        },
+        "onPressed": {
+          "actionType": "validateForm",
+          "isValid": {
+            "actionType": "networkRequest",
+            "url": "https://dummyjson.com/auth/login",
+            "method": "post",
+            "contentType": "application/json",
+            "body": {
+              "username": {
+                "actionType": "getFormValue",
+                "id": "username"
+              },
+              "password": {
+                "actionType": "getFormValue",
+                "id": "password"
+              }
+            }
+          }
+        }
+      }
+    ]
+  }
+}
+```