feat!: drop modules, general refactor and cleanup

runtime/queries/fish/indents.scm

@@ -0,0 +1,18 @@
+[
+  (function_definition)
+  (while_statement)
+  (for_statement)
+  (if_statement)
+  (begin_statement)
+  (switch_statement)
+] @indent.begin
+
+[
+  "else" ; else and else if must both start the line with "else", so tag the string directly
+  "case"
+  "end"
+] @indent.branch
+
+"end" @indent.end
+
+(comment) @indent.ignore