Some doc update

README.md

@@ -46,7 +46,7 @@ in a sister repository [lasp-doc](https://code.ascee.nl/ascee/lasp-doc).
 
 If you have any question(s), please feel free to contact us: [email](info@ascee.nl).
 
-# Installation
+# Installation - Linux (Debian-based)
 
 ## Dependencies
 

src/lasp/lasp_common.py

@@ -58,9 +58,13 @@ class AvType(Enum):
 @dataclass_json
 @dataclass(eq=False)
 class Qty:
+    # Name, i.e.: Acoustic Pressure 
     name: str
+    # I.e.: Pascal
     unit_name: str
+    # I.e.: Pa
     unit_symb: str
+    # I.e.: ('dB SPL') <== tuple of possible level units
     level_unit: object
     # Contains a tuple of possible level names, including its reference value.
     # For now, it is only able to compute for the first one. I.e.e we are not