Add latexindent config and update hooks

.latexindent.yaml

@@ -0,0 +1,15 @@
+onlyOneBackup: 1
+indentPreamble: 1
+
+modifyLineBreaks:
+  preserveBlankLines: 1
+  condenseMultipleBlankLinesInto: 1
+  textWrapOptions:
+    columns: 80
+    multipleSpacesToSingle: 1
+  environments:
+    DBSFinishesWithLineBreak: 1
+    BeginStartsOnOwnLine: 1
+    BodyStartsOnOwnLine: 1
+    EndStartsOnOwnLine: 1
+    EndFinishesWithLineBreak: 1

.pre-commit-config.yaml

@@ -9,6 +9,7 @@ repos:
     -   id: check-yaml
     -   id: check-added-large-files
 -   repo: https://github.com/cmhughes/latexindent.pl
-    rev: V3.19.1
+    rev: V3.20.1
     hooks:
     -   id: latexindent
+        args: ["-s", "-l", "--overwriteIfDifferent", "-m"]