Documentation: update and cleanup (#3934)

* Developers Docs editing

* Logo underline removed

The underline has been removed when hovering over the logo.

* proofread docs

* application -> app in several files

---------

Co-authored-by: knrn64 <25254561+knrn64@users.noreply.github.com>
Co-authored-by: あく <alleteam@gmail.com>

documentation/js/js_badusb.md

@@ -67,7 +67,7 @@ badusb.hold("CTRL", "v"); // Press and hold CTRL + "v" combo
 ```
 
 ## release
-Release a previously hold key.
+Release a previously held key.
 
 ### Parameters
 Same as `press`

documentation/js/js_data_types.md

@@ -1,13 +1,13 @@
 # Data types {#js_data_types}
 
 Here is a list of common data types used by mJS.
-- string - sequence of single byte characters, no UTF8 support
+- string — sequence of single byte characters, no UTF8 support
 - number
 - boolean
-- foreign - C function or data pointer
+- foreign — C function or data pointer
 - undefined
 - null
-- object - a data structure with named fields
-- array - special type of object, all items have indexes and equal types
-- ArrayBuffer - raw data buffer
-- DataView - provides interface for accessing ArrayBuffer contents
+- object — a data structure with named fields
+- array — special type of object, all items have indexes and equal types
+- ArrayBuffer — raw data buffer
+- DataView — provides interface for accessing ArrayBuffer contents

documentation/js/js_math.md

@@ -290,7 +290,7 @@ math.pow(2, 10); // 1024
 ```
 
 ## random
-Return a floating-point, pseudo-random number that's greater than or equal to 0 and less than 1, with approximately uniform distribution over that range - which you can then scale to your desired range.
+Return a floating-point, pseudo-random number that's greater than or equal to 0 and less than 1, with approximately uniform distribution over that range — which you can then scale to your desired range.
 
 ### Returns
 A floating-point, pseudo-random number between 0 (inclusive) and 1 (exclusive).