Doc isomer annotation

docs/module_docs/group_isomers/annotate_possible_isomers.md

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+# Annotate possible isomers
+
+## Description
+
+This Module searches for signals with a very similar m/z within user-defined retention time
+boundaries and annotates them to allow easier identification of potential isomeric features. Ion
+mobility spectrometry helps to resolve such potential isomers.
+
+## Parameters
+
+#### Feature lists
+
+Select the feature lists you want to be analyzed.
+
+#### mz tolerance
+
+The maximum allowed mz tolerance between two potential isomeric features.
+
+#### RT tolerance
+
+Maximum allowed tolerance for potential isomeric signals.
+
+#### Maximum mobility change
+
+Specifies the maximum change of mobility for a possible isomer. Used to rule out fragmented
+multimers. 
+
+#### Skip multimer fragments
+
+If checked, the results will be refined to not falsely annotate fragments of multimers as isomeric
+compounds. Requires prior use of the Ion identity networking module. The given tolerance will be
+applied between a possible multimer and the multimer fragment.
+
+#### Quality parameters - Minimum intensity
+
+Minimum intensity of a possible isomer to be annotated.
+
+#### Quality parameters - Minimum number of data points
+
+Minimum number of data points in ion mobility trace to be recognised as a isomeric compound.
+Used to filter out noise after resolving.
+
+![multiimsvisualiser.png](multiimsvisualiser.png)