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

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

queries/ipkg/folds.scm

@@ -0,0 +1,13 @@
+[
+  (source_file)
+  (dependency_list)
+  (module_list)
+  (dependency_declaration)
+  (module_declaration)
+  (module_declaration)
+  (package_declaration)
+  (main_declaration)
+  (executable_declaration)
+  (version_declaration)
+  (langversion_declaration)
+] @fold

queries/ipkg/highlights.scm

@@ -0,0 +1,56 @@
+; Keywords
+"package" @keyword.import
+
+[
+  "authors"
+  "maintainers"
+  "license"
+  "brief"
+  "readme"
+  "homepage"
+  "sourceloc"
+  "bugtracker"
+  "opts"
+  "sourcedir"
+  "builddir"
+  "outputdir"
+  "prebuild"
+  "postbuild"
+  "preinstall"
+  "postinstall"
+  "preclean"
+  "postclean"
+  "version"
+  "langversion"
+  "modules"
+  "main"
+  "executable"
+  "depends"
+] @keyword
+
+[
+  "="
+  (version_range_op)
+] @operator
+
+"," @punctuation.delimiter
+
+; Field values
+(string_value) @string
+
+(boolean_value) @boolean
+
+; Version numbers and ranges
+(version_number) @string.special
+
+[
+  (dependency_item)
+  (package_name)
+  (module_name)
+] @module
+
+; Comments
+[
+  (line_comment)
+  (block_comment)
+] @comment @spell

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

queries/ipkg/injections.scm

@@ -0,0 +1,5 @@
+([
+  (line_comment)
+  (block_comment)
+] @injection.content
+  (#set! injection.language "comment"))

queries/ipkg/locals.scm

@@ -0,0 +1,24 @@
+; Scopes
+(source_file) @local.scope
+
+; Definitions
+(package_declaration
+  (package_name) @local.definition.import)
+
+(module_declaration
+  (module_list
+    (module_name) @local.definition.namespace))
+
+(main_declaration
+  (module_name) @local.definition.import)
+
+(executable_declaration
+  (package_name) @local.definition.import)
+
+; References
+(dependency_declaration
+  (dependency_list
+    (dependency_item
+      (package_name) @local.reference)))
+
+(module_name) @local.reference