gh-36968: fix alignment in documentation (ruff D207 and D208)
    
this used ruff with code D207 and D208 to auto-fix many alignement
issues in our documentation

### 📝 Checklist

- [x] The title is concise, informative, and self-explanatory.
- [x] The description explains in detail what this PR is about.
    
URL: #36968
Reported by: Frédéric Chapoton
Reviewer(s): Kwankyu Lee

Author: Release Manager

src/sage/algebras/free_algebra.py

@@ -578,7 +578,7 @@ def _element_constructor_(self, x):
             sage: (F.1*L.2).parent() is F
             True
 
-       ::
+        ::
 
             sage: # needs sage.libs.singular sage.rings.finite_rings
             sage: K.<z> = GF(25)

src/sage/algebras/free_algebra_quotient.py

@@ -319,7 +319,7 @@ def monoid(self):
         """
         The free monoid of generators of the algebra.
 
-       EXAMPLES::
+        EXAMPLES::
 
             sage: sage.algebras.free_algebra_quotient.hamilton_quatalg(QQ)[0].monoid()
             Free monoid on 3 generators (i0, i1, i2)

src/sage/categories/additive_magmas.py

@@ -787,7 +787,7 @@ def __bool__(self):
                     False
                     sage: bool(S.an_element())
                     True
-                 """
+                """
 
             def _test_nonzero_equal(self, **options):
                 r"""

src/sage/categories/algebra_functor.py

@@ -577,7 +577,7 @@ def group(self):
             sage: from sage.categories.algebra_functor import GroupAlgebraFunctor
             sage: GroupAlgebraFunctor(CyclicPermutationGroup(17)).group() == CyclicPermutationGroup(17)
             True
-         """
+        """
         return self.__group
 
     def _apply_functor(self, base_ring):

src/sage/categories/coxeter_groups.py

@@ -1790,7 +1790,7 @@ def has_full_support(self):
                 sage: w = W.from_reduced_word([1,2,1,0,1])
                 sage: w.has_full_support()
                 True
-                """
+            """
             return self.support() == set(self.parent().index_set())
 
         def reduced_word_graph(self):
@@ -3155,7 +3155,7 @@ def kazhdan_lusztig_cell(self, side='left'):
                 sage: s1.kazhdan_lusztig_cell()
                 {[1], [2, 1], [3, 2, 1]}
 
-           Next, we compute a right cell and a two-sided cell in `A_3`::
+            Next, we compute a right cell and a two-sided cell in `A_3`::
 
                 sage: # optional - coxeter3, needs sage.combinat sage.groups sage.modules
                 sage: W = CoxeterGroup('A3', implementation='coxeter3')

src/sage/categories/enumerated_sets.py

@@ -941,7 +941,7 @@ def random_element(self):
                 Traceback (most recent call last):
                 ...
                 NotImplementedError: unknown cardinality
-                """
+            """
             raise NotImplementedError("unknown cardinality")
 
         def map(self, f, name=None, *, is_injective=True):

src/sage/categories/examples/finite_weyl_groups.py

@@ -153,7 +153,7 @@ def product(self, x, y):
             sage: s = FiniteWeylGroups().example().simple_reflections()
             sage: s[1] * s[2]
             (0, 2, 3, 1)
-            """
+        """
         assert x in self
         assert y in self
         return self(tuple(x.value[i] for i in y.value))

src/sage/categories/finite_groups.py

@@ -177,7 +177,7 @@ def conjugacy_classes_representatives(self):
                 sage: G = SymmetricGroup(3)
                 sage: G.conjugacy_classes_representatives()
                 [(), (1,2), (1,2,3)]
-           """
+            """
             return [C.representative() for C in self.conjugacy_classes()]
 
     class ElementMethods:

src/sage/categories/magmas.py

@@ -255,7 +255,7 @@ def FinitelyGenerated(self):
 
                 The use of this shorthand should be reserved for casual
                 interactive use or when there is no risk of ambiguity.
-                """
+            """
             from sage.categories.additive_magmas import AdditiveMagmas
             if self.is_subcategory(AdditiveMagmas()):
                 raise ValueError("FinitelyGenerated is ambiguous for {}.\nPlease use explicitly one of the FinitelyGeneratedAsXXX methods".format(self))

src/sage/categories/modules_with_basis.py

@@ -2247,7 +2247,7 @@ def __call_on_basis__(self, **options):
                     sage: phi(x[1] + x[3])                                              # needs sage.modules
                     0
 
-               We check that the homset category is properly set up::
+                We check that the homset category is properly set up::
 
                     sage: # needs sage.modules
                     sage: X = CombinatorialFreeModule(QQ, [1,2,3]);   X.rename("X")