feat(ipkg): add parser and queries (#7277)

Co-authored-by: ObserverOfTime <chronobserver@disroot.org>

queries/ipkg/indents.scm

@@ -0,0 +1,33 @@
+; Indentation rules for Idris .ipkg files
+[
+  (package_declaration)
+  (field_declaration)
+  (main_declaration)
+  (executable_declaration)
+  (version_declaration)
+  (langversion_declaration)
+] @indent.begin
+
+(dependency_declaration
+  "=" @indent.begin
+  (dependency_list
+    "," @indent.begin))
+
+(module_declaration
+  "=" @indent.begin
+  (module_list
+    "," @indent.begin))
+
+(field_declaration
+  "=" @indent.begin)
+
+"=" @indent.branch
+
+(string_value) @indent.begin
+
+[
+  (line_comment)
+  (block_comment)
+] @indent.ignore
+
+(ERROR) @indent.auto