[Documentation] Markdown improvements n to s (#13948)

Signed-off-by: Jerome Luckenbach <github@luckenba.ch>

bundles/org.openhab.binding.synopanalyzer/README.md

@@ -15,13 +15,11 @@ There is exactly one supported thing, which represents a Synop message. It has t
 If a system location is set, the nearest available Synop station be automatically discovered for this location.
 The search radius will expand at each successive scan.
 
-
 ## Thing Configuration
 
 Besides the Synop Station Number (as ```synopID``` as a [StationID](https://www.ogimet.com/gsynop_nav.phtml.en) string), the second configuration parameter is ```refreshInterval``` which defines the refresh interval in minutes.
 Synop message are typically updated every hour.
 
-
 ## Channels
 
 The weather information that is retrieved is available as these channels:
@@ -40,7 +38,7 @@ The weather information that is retrieved is available as these channels:
 | time-utc              | DateTime           | Observation time of the Synop message      |
 | horizontal-visibility | String             | Horizontal visibility range                |
 
-*   ”cloud attenuation factor” (Kc) as defined by Kasten and Czeplak (1980)
+- ”cloud attenuation factor” (Kc) as defined by Kasten and Czeplak (1980)
 
 ## Example
 
@@ -48,13 +46,13 @@ The weather information that is retrieved is available as these channels:
 
 Here is an example of thing definition :
 
-```
+```java
 synopanalyzer:synopanalyzer:orly [ stationId=7149 ]
 ```
 
 ### Items
 
-```
+```java
 Number Synop_Temperature "Temperature [%.1f °C]" <temperature> { channel = "synopanalyzer:synopanalyzer:trappes:temperature" }
 Number Synop_Pressure "Pressure [%.1f mb]" <pressure> { channel = "synopanalyzer:synopanalyzer:trappes:pressure" }
 Number Synop_Wind_Angle "Wind Angle [%d°]" <wind>     { channel = "synopanalyzer:synopanalyzer:trappes:wind-angle"}