Restructure the releases section

Author: p7nov

doc/release/1.10_series.rst

@@ -0,0 +1,20 @@
+
+1.10.x
+======
+
+Tarantool 1.10 LTS series includes the following releases:
+
+..  toctree::
+    :maxdepth: 1
+
+    1.10.14
+    1.10.13
+    1.10.12
+    1.10.11
+    1.10.10
+    1.10.9
+    1.10.8
+    1.10.7
+    1.10.6
+    1.10.5
+    Tarantool 1.10.0–1.10.4 <1.10>

doc/release/2.10_series.rst

@@ -0,0 +1,14 @@
+
+2.10.x
+======
+
+Tarantool 2.10 series includes the following releases:
+
+..  toctree::
+    :maxdepth: 1
+
+    2.10.1
+    2.10.0
+    2.10.0-rc1
+    2.10.0-beta2
+    2.10.0-beta1

doc/release/eol_versions.rst

@@ -0,0 +1,38 @@
+
+EOL versions
+============
+
+This page lists release notes for Tarantool versions that have reached
+their end of life in accordance with the :doc:`release policy <policy>`.
+See the :doc:`release calendar <calendar>` for more information.
+
+..  toctree::
+    :maxdepth: 1
+
+    2.8.4
+    2.8.3
+    2.8.2
+    2.8.1
+    2.7.3
+    2.7.2
+    2.7.1
+    2.6.3
+    2.6.2
+    2.6.1
+    2.5.3
+    2.5.2
+    2.5.1
+    2.4.3
+    2.4.2
+    2.4.1
+    2.3.3
+    2.3.2
+    2.3.1
+    2.2.3
+    2.2.2
+    2.2.1
+    2.1.2
+    1.9
+    1.8
+    1.7
+    1.6

doc/release/index.rst

@@ -24,49 +24,9 @@ To learn more, read the :doc:`Compatibility guarantees <compatibility>` article.
 ..  toctree::
     :maxdepth: 1
 
-    2.10.1
-    2.10.0
-    2.10.0-rc1
-    2.10.0-beta2
-    2.10.0-beta1
-    2.8.4
-    2.8.3
-    2.8.2
-    2.8.1
-    2.7.3
-    2.7.2
-    2.7.1
-    2.6.3
-    2.6.2
-    2.6.1
-    2.5.3
-    2.5.2
-    2.5.1
-    2.4.3
-    2.4.2
-    2.4.1
-    2.3.3
-    2.3.2
-    2.3.1
-    2.2.3
-    2.2.2
-    2.2.1
-    2.1.2
-    1.10.14
-    1.10.13
-    1.10.12
-    1.10.11
-    1.10.10
-    1.10.9
-    1.10.8
-    1.10.7
-    1.10.6
-    1.10.5
-    1.10
-    1.9
-    1.8
-    1.7
-    1.6
+    2.10_series
+    1.10_series
+    eol_versions
 
 ..  toctree::
     :maxdepth: 2