UPDATE: Documents reorganization and some additions

docs/src/web-application/about.md

@@ -0,0 +1,11 @@
+---
+layout: doc
+outline: deep
+lang: en-US
+---
+
+# Importing Files
+
+::: warning
+**Note:** This page is in construction 🚧
+:::

docs/src/web-application/importing-files.md

@@ -0,0 +1,20 @@
+---
+layout: doc
+outline: deep
+lang: en-US
+---
+
+# Importing Files
+
+IronCalc supports direct importing of Excel files (.xlsx). Before proceeding, please ensure your file meets the required format.
+
+## How to Import Files
+
+You can upload files using one of the following methods:
+
+- **Drag and Drop**: Drag your `.xlsx` file and drop it into the designated upload area on the interface.
+- **Click to Upload**: Click on the central upload area and select your file from your device.
+
+::: info
+The maximum file size allowed is **10 MB**.
+:::

docs/src/web-application/sharing-files.md

@@ -0,0 +1,11 @@
+---
+layout: doc
+outline: deep
+lang: en-US
+---
+
+# Sharing Files
+
+::: warning
+**Note:** This page is in construction 🚧
+:::