Fix change log, news file name

CHANGELOG.rst

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+=============
+Release Notes
+=============
+
+.. current developments
+
+1.0.4
+=====
+
+**Fixed:**
+
+* do not print atom site info during Cif init
+
+1.0.3
+=====
+
+**Added:**
+
+* support .cif file formats of PCD, COD, Materials Studio, ICSD
+
+**Fixed:**
+
+* update `U` Pauling CN12 value from 1.51 to 1.516
+
+
+1.0.2
+=====
+
+**Added:**
+
+* initializing progress statement for `CifEnsemble` to enhance user experience (https://github.com/bobleesj/cifkit/issues/12)
+* print option for `compute_connections` in CifEnsemble (https://github.com/bobleesj/cifkit/issues/13)
+* preprocessing option for `CifEnsemble` to handle input data more flexibly (https://github.com/bobleesj/cifkit/issues/15)
+
+**Fixed:**
+
+* error computing polyhedron metrics: index 4 is out of bounds for axis 0 with size 4 (https://github.com/bobleesj/cifkit/issues/10)
+* warning for using categorical units to plot a list of strings for histogram generation (https://github.com/bobleesj/cifkit/issues/11)
+* misclassification issue during preprocessing: do not move to 'others' folder if elements do not belong to Mendeleev table (https://github.com/bobleesj/cifkit/issues/14)
+
+
+1.0.1
+=====
+
+**Fixed:**
+
+* error computing polyhedron metrics: index 4 is out of bounds (https://github.com/bobleesj/cifkit/issues/10)
+
+
+1.0.0
+=====
+
+**Added:**
+
+* issue and pull request templates.
+
+### Fixed
+
+* duplicate connected points in connections with atomic mixing (https://github.com/bobleesj/cifkit/issues/7)

news/test-news.rst

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+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>