documentation information change regarding Firefox (#4507)

Author: farhan-momin

README.md

@@ -82,9 +82,7 @@ the functionality can be accessed by launching the
 [index.html](./index.html) file in the browser using
 `file:///absolute/path/to/index.html`.
 
-However, doing so, some functionality will be unavailable. On top of
-that, some web browsers (e.g., Firefox v68) have restrictions that
-prevent Music Blocks from running using `file:///`.  Therefore, it is
+However, doing so, some functionality will be unavailable. Therefore, it is
 best to launch a _local web server_ from the directory of Music
 Blocks.
 

documentation/README.md

@@ -134,7 +134,7 @@ The **Secondary** toolbar appears when you click the **hamburger button** (three
         3. *Delete Plugin*: Allows the removal of plugins that are no longer needed.<br>
         4. *Horizontal Scrolling*: Enables horizontal navigation for easier handling of large projects.<br>
         5. *JavaScript Editor*: Includes an editor for writing and embedding custom JavaScript code.<br>
-        6. *Record*: Adds a "Record" button to the main palette, enabling users to record their compositions directly.
+        6. *Record*: Adds a "Record" button to the main palette, enabling users to record their compositions directly (Not supported on Firefox and Safari browsers).
 
 -   **Select Language**: Offers a multilingual interface, allowing users to change the language as per their preference.