docs: add block use cases

docs/blocks/overview.md

@@ -2,6 +2,12 @@ inseri core provides interactive and executable blocks. The blocks have names, w
 
 If you want to see their feature in practice please see the [inseri core blocks](https://inseri.swiss/showcase/#core-blocks){:target="\_blank"} on inseri.swiss.
 
+## Use cases
+
+- Interactive online tool via **interactive online components** with all inseri blocks, e.g. [Plotly Chart](./plotly.md), [Dropdown](./dropdown.md)
+- Data reuse and integration of: **local user data** with the [Media Collection](./mediaCollection.md) and [Local File Import](./localFileImport.md) blocks, and **data interfaces** with [Zenodo Repository](./zenodo.md) and [Web API](./webApi.md) blocks
+- Data analysis and simulation via **compute interfaces** with [Python Code](./python.md), [R Code](./rCode.md), [JavaScript Code](./javascript.md), [Web API](./webApi.md) blocks
+
 ## Edit the Source
 
 You can edit the source of blocks by clicking on the edit icon.

docs/blocks/textEditor.md

@@ -4,7 +4,7 @@ The Text Editor can be used to define values of a couple of text-based formats t
 
 !!! note
 
-    [unfiltered_html](https://wordpress.org/documentation/article/roles-and-capabilities/#unfiltered_html) security feature prevents the usage of iframes or certain code snippets. Please check the affected roles at [Capability vs. Role Table](https://wordpress.org/documentation/article/roles-and-capabilities/#capability-vs-role-table){:target="\_blank"}. For such a use case please consider the [Web API](webApi.md) block.
+    [unfiltered_html](https://wordpress.org/documentation/article/roles-and-capabilities/#unfiltered_html) security feature prevents the usage of iframes or certain code snippets. Please check the affected roles at [Capability vs. Role Table](https://wordpress.org/documentation/article/roles-and-capabilities/#capability-vs-role-table){:target="\_blank"}. For such a use case please consider the [Web API](./webApi.md) block.
 
 ## Output