Add a converter from PDB to Zarr to the DatasetFactory (#171)

* wip

* prototype

* add fastpdb prototype

* wip

* wip

* wip

* add pdb converter

* missing imports

* minor changes

* add tutorial

* remove dev files

* add dep

* env

* update api

* update docs

* add opt dep

* update adaptor name

* wip

* update import

* refactor to add_from_files

* refactor

* add tests

* update deps

* update load_to_memeory

* refactor pdb pointer

* add create_dataset_from_files

* add info

* rename tutorials

* fix mkdocs

* ruff

* format notebooks

* Revert some formatting changes

* Revert some more formatting changes

* Addressed minor feedback

* Comment

---------

Co-authored-by: zhu0619 <[email protected]>
Co-authored-by: cwognum <[email protected]>

Author: 3 people

docs/api/converters.md

@@ -16,3 +16,9 @@
         filters: ["!^_"]
 
 ---
+
+::: polaris.dataset.converters.PDBConverter
+    options:
+        filters: ["!^_"]
+
+---

docs/api/factory.md

@@ -8,4 +8,10 @@
     options:
         filters: ["!^_"]
 
----
+---
+
+::: polaris.dataset.create_dataset_from_files
+    options:
+        filters: ["!^_"]
+
+---