feat!: drop modules, general refactor and cleanup

runtime/queries/fsh/highlights.scm

@@ -0,0 +1,97 @@
+[
+  "("
+  ")"
+] @punctuation.bracket
+
+[
+  "^"
+  "="
+  ":"
+] @operator
+
+[
+  "#"
+  ".."
+  "*"
+  "->"
+] @punctuation.special
+
+; Entities
+[
+  "Profile"
+  "Alias"
+  "Extension"
+  "Invariant"
+  "Instance"
+  "ValueSet"
+  "CodeSystem"
+  "Mapping"
+  "Logical"
+  "Resource"
+  "RuleSet"
+] @keyword
+
+; Metadata Keywords
+[
+  "Parent"
+  "Title"
+  "Description"
+  "Id"
+  "Severity"
+  "InstanceOf"
+  "Usage"
+  "Source"
+  "XPath"
+  "Target"
+] @keyword
+
+; Rule Keywords
+[
+  "contentReference"
+  "insert"
+  "and"
+  "or"
+  "contains"
+  "named"
+  "only"
+  "obeys"
+  "valueset"
+  "codes"
+  "from"
+  "include"
+  "exclude"
+  "where"
+  "system"
+  "exactly"
+] @keyword.operator
+
+; Types
+[
+  "Reference"
+  "Canonical"
+] @type.builtin
+
+(sd_metadata
+  (parent
+    (name))) @type
+
+(target_type
+  (name)) @type
+
+; Strings
+(string) @string
+
+(multiline_string) @string
+
+; Constants
+(strength_value) @constant
+
+(bool) @boolean
+
+(flag) @constant
+
+; Special Params
+(code_value) @variable.parameter
+
+; Extras
+(fsh_comment) @comment @spell

runtime/queries/fsh/injections.scm

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+((fsh_comment) @injection.content
+  (#set! injection.language "comment"))