Definition text rules and unit Sun changed

The definition within the Sun message was not divided into units, rules and description

Signed-off-by: Markus Waldmann <Markus.Waldmann@stud.hs-kempten.de>

Author: Markus Waldmann

osi_environment.proto

@@ -436,15 +436,40 @@ message EnvironmentalConditions
     //
     message Sun
     {
-        // Azimuth of the sun, counted counterclockwise, 0=north, PI/2 = east, PI=south, 3/2 PI=west. Unit: radian; Range: [0..2PI].
+        // Azimuth of the sun
+        //
+        // Unit: rad
+        //
+        // \rules
+        // Range: [0..2PI]
+        // counted counterclockwise
+        // 0=north
+        // PI/2 = east
+        // PI=south
+        // 3/2 PI=west
+        // \endrules
         //
         optional double azimuth = 1;
 
-        // Solar elevation angle, 0=x/y plane, PI/2=zenith. Unit: rad; Range: [-PI..PI].
+        // Solar elevation angle
+        //
+        // Unit: rad
+        //
+        // \rules
+        // Range: [-PI..PI]
+        // 0=x/y plane
+        // PI/2=zenith
+        // \endrules
         //
         optional double elevation = 2;
 
-        // Illuminance of the sun, direct sunlight is around 100,00 lx. Unit: lux; Range: [0..inf[.
+        // Illuminance of the sun, direct sunlight is around 100,00 lx.
+        //
+        // Unit: lx
+        //
+        // \rules
+        // Range: [0..inf[
+        // \endrules
         //
         optional double intensity = 3;
     }