update guides for inserting terminal groups

[sreekanth221998]

Summary by Sourcery

Clarify and expand the guide for adding terminal groups to polymers by demonstrating separate backbone, sidechain, and full polymer workflows

Documentation:

• Update section heading to reflect sidechain, backbone, and full polymer terminal group insertion
• Replace the single terminal_groups attribute with backbone_terminal_groups and sidechain_terminal_groups
• Add FullPolymerFeaturizer to imports and include a full polymer featurization example

[sourcery-ai]

Reviewer's Guide

This PR revises the terminal group insertion guide in the documentation by restructuring the example to support separate backbone, sidechain, and full polymer workflows, updating imports and the example polymer, and adding new featurizer use cases.

Class diagram for updated featurizer usage with terminal groups

classDiagram
    class Polymer {
        +from_psmiles(psmiles: str)
        +backbone_terminal_groups: dict
        +sidechain_terminal_groups: dict
    }
    class NumBackBoneFeaturizer
    class BackBoneFeaturizer {
        +BackBoneFeaturizer(featurizer)
    }
    class NumSideChainFeaturizer
    class SideChainFeaturizer {
        +SideChainFeaturizer(featurizer)
    }
    class FullPolymerFeaturizer {
        +FullPolymerFeaturizer(featurizer)
    }
    class MultipleFeaturizer {
        +MultipleFeaturizer(featurizers: list)
        +featurize(polymer)
    }
    class NumRings
    class NumAtoms
    class NumHBondDonors
    class TopologicalSurfaceArea

    Polymer <|-- NumBackBoneFeaturizer
    Polymer <|-- BackBoneFeaturizer
    Polymer <|-- NumSideChainFeaturizer
    Polymer <|-- SideChainFeaturizer
    Polymer <|-- FullPolymerFeaturizer
    MultipleFeaturizer o-- NumBackBoneFeaturizer
    MultipleFeaturizer o-- BackBoneFeaturizer
    MultipleFeaturizer o-- NumSideChainFeaturizer
    MultipleFeaturizer o-- SideChainFeaturizer
    MultipleFeaturizer o-- FullPolymerFeaturizer
    BackBoneFeaturizer o-- NumRings
    SideChainFeaturizer o-- NumAtoms
    SideChainFeaturizer o-- NumHBondDonors
    SideChainFeaturizer o-- TopologicalSurfaceArea
    FullPolymerFeaturizer o-- NumAtoms
    FullPolymerFeaturizer o-- NumHBondDonors
    FullPolymerFeaturizer o-- TopologicalSurfaceArea

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File-Level Changes

Change	Details	Files
Expanded terminal group insertion guide to cover backbone, sidechain, and full polymer workflows	Updated section title and introductory text for three insertion scopes Removed generic terminal_groups example and narrative Added description of backbone_terminal_groups and sidechain_terminal_groups attributes	docs/how_to_guides.md
Enhanced imports and example polymer instantiation	Imported FullPolymerFeaturizer and chemical featurizers (NumRings, NumAtoms, TopologicalSurfaceArea) Replaced the example PSMILES string with a more detailed polymer structure	docs/how_to_guides.md
Replaced single terminal_groups assignment with separate backbone and sidechain assignments	Removed polymer.terminal_groups usage Added polymer.backbone_terminal_groups and polymer.sidechain_terminal_groups assignments	docs/how_to_guides.md
Added sidechain and full polymer featurizer workflows to the example	Introduced sidechain_featurizers list and MultipleFeaturizer invocation Introduced full_polymer_featurizers list and MultipleFeaturizer invocation	docs/how_to_guides.md

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[sourcery-ai]

Hey @sreekanth221998 - I've reviewed your changes and they look great!

Prompt for AI Agents

Please address the comments from this code review:
## Individual Comments

### Comment 1
<location> `docs/how_to_guides.md:189` </location>
<code_context>
-### Adding terminal groups to polymers (user has to specify the terminal groups)
+### Adding terminal groups to polymers (sidechain, backbone and full polymer)
+
+When working with polymers, you may want to add terminal groups to the polymer backbone or sidechains. This can be done by specifying the terminal groups in the `terminal_groups` attribute of the `Polymer` class.

 ```python
</code_context>

<issue_to_address>
Update reference to 'terminal_groups' attribute to match code example.

Update the sentence to reference 'backbone_terminal_groups' and 'sidechain_terminal_groups' instead of 'terminal_groups' to match the code.
</issue_to_address>

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[sourcery-ai]

issue: Update reference to 'terminal_groups' attribute to match code example.

Update the sentence to reference 'backbone_terminal_groups' and 'sidechain_terminal_groups' instead of 'terminal_groups' to match the code.