Resolve "Allow plugin to add entries to context menu"

Closes #307 (closed)

docs/plugins/data/bioentities.md

@@ -19,7 +19,7 @@ Below is a description of the methods, as well as the types they return. A descr
   - gets list of added markers
   - returns array of `Marker`
 - `getShownElements`
-  - gets list of all currently shown content/chemicals/drugs bioentities + markers
+  - gets list of all currently shown content/chemicals/drugs BioEntities + markers
   - returns object of
     ```
     {
@@ -68,12 +68,12 @@ Below is a description of the methods, as well as the types they return. A descr
   - **opacity** - should be a float between `0` and `1` (example: `0.54`)
   - **x** - x coord on the map [surface/pin marker only]
   - **y** - y coord on the map [surface/pin marker only]
-  - **width** - width of surface [surface marker only]
-  - **height** - width of height [surface marker only]
-  - **number** - number presented on the pin [pin marker only]
+  - **width** - width of surface
+  - **height** - height of surface
+  - **number** - number presented on the pin
   - **modelId** - if marker should be visible only on single map, modelId should be provided
-  - **start** - start point of the line [line marker only]
-  - **end** - end point of the line [line marker only]
+  - **start** - start point of the line
+  - **end** - end point of the line
 - adds one marker to markers list
 - returns created `Marker`
 - examples: