feat: add Hoon language support

---------

Co-authored-by: urbit-pilled <urbit-pilled>
Co-authored-by: Amaan Qureshi <amaanq12@gmail.com>

queries/hoon/folds.scm

@@ -0,0 +1,6 @@
+[
+ (bartisTall)
+ (luslusTall)
+ (lusbucTall)
+ (barcenTall)
+ ] @fold

queries/hoon/highlights.scm

@@ -0,0 +1,33 @@
+(number) @number
+
+(string) @string
+
+[
+  "("
+  ")"
+  "["
+  "]"
+]  @punctuation.bracket
+
+[
+  (coreTerminator)
+  (seriesTerminator)
+] @punctuation.delimiter
+
+
+(rune) @operator
+
+(term) @constant
+
+(aura) @constant.builtin
+
+(Gap) @comment
+
+(boolean) @constant.builtin
+
+(date) @string.special
+
+(mold) @symbol
+(specialIndex) @number.builtin
+(lark) @operator
+(fullContext) @symbol

queries/hoon/locals.scm

@@ -0,0 +1,4 @@
+(tisfasTall
+  name: (name) @definition.var)
+  
+(name) @reference